diff --git a/doc/api/cluster.md b/doc/api/cluster.md
index 236d461736d237..3ceec142b620ed 100644
--- a/doc/api/cluster.md
+++ b/doc/api/cluster.md
@@ -706,8 +706,8 @@ changes:
 
 * {Object}
   * `execArgv` {Array} List of string arguments passed to the Node.js
-    executable. (Default=`process.execArgv`)
-  * `exec` {string} File path to worker file.  (Default=`process.argv[1]`)
+    executable. **Default:** `process.execArgv`
+  * `exec` {string} File path to worker file. **Default:** `process.argv[1]`
   * `args` {Array} String arguments passed to worker.
     **Default:** `process.argv.slice(2)`
   * `silent` {boolean} Whether or not to send output to parent's stdio.
diff --git a/doc/api/dns.md b/doc/api/dns.md
index 56f2d0660ca5c7..0b064ff79dbab3 100644
--- a/doc/api/dns.md
+++ b/doc/api/dns.md
@@ -141,11 +141,11 @@ changes:
   - `hints` {number} One or more [supported `getaddrinfo` flags][]. Multiple
     flags may be passed by bitwise `OR`ing their values.
   - `all` {boolean} When `true`, the callback returns all resolved addresses in
-    an array. Otherwise, returns a single address. Defaults to `false`.
+    an array. Otherwise, returns a single address. **Default:** `false`
   - `verbatim` {boolean} When `true`, the callback receives IPv4 and IPv6
     addresses in the order the DNS resolver returned them.  When `false`,
     IPv4 addresses are placed before IPv6 addresses.
-    Default: currently `false` (addresses are reordered) but this is expected
+    **Default:** currently `false` (addresses are reordered) but this is expected
     to change in the not too distant future.
     New code should use `{ verbatim: true }`.
 - `callback` {Function}
@@ -245,7 +245,7 @@ Promise for an object with `hostname` and `service` properties.
 added: v0.1.27
 -->
 - `hostname` {string} Hostname to resolve.
-- `rrtype` {string} Resource record type. Default: `'A'`.
+- `rrtype` {string} Resource record type. **Default:** `'A'`
 - `callback` {Function}
   - `err` {Error}
   - `records` {string[] | Object[] | Object}
diff --git a/doc/api/http2.md b/doc/api/http2.md
index 6e59e8147472f7..ae6da3bc2ca536 100644
--- a/doc/api/http2.md
+++ b/doc/api/http2.md
@@ -365,7 +365,7 @@ added: v8.4.0
   * `exclusive` {boolean} When `true` and `parent` identifies a parent Stream,
     the created stream is made the sole direct dependency of the parent, with
     all other existing dependents made a dependent of the newly created stream.
-    Defaults to `false`.
+    **Default:** `false`
   * `parent` {number} Specifies the numeric identifier of a stream the newly
     created stream is dependent on.
   * `weight` {number} Specifies the relative dependency of a stream in relation
@@ -415,7 +415,7 @@ added: v8.4.0
 -->
 
 * stream {Http2Stream}
-* code {number} Unsigned 32-bit integer identifying the error code. Defaults to
+* code {number} Unsigned 32-bit integer identifying the error code. **Default:**
   `http2.constant.NGHTTP2_NO_ERROR` (`0x00`)
 * Returns: {undefined}
 
@@ -444,7 +444,7 @@ added: v8.4.0
   * `graceful` {boolean} `true` to attempt a polite shutdown of the
     `Http2Session`.
   * `errorCode` {number} The HTTP/2 [error code][] to return. Note that this is
-    *not* the same thing as an HTTP Response Status Code. Defaults to `0x00`
+    *not* the same thing as an HTTP Response Status Code. **Default:** `0x00`
     (No Error).
   * `lastStreamID` {number} The Stream ID of the last successfully processed
     `Http2Stream` on this `Http2Session`.
@@ -522,8 +522,8 @@ added: v8.4.0
 * `options` {Object}
   * `exclusive` {boolean} When `true` and `parent` identifies a parent Stream,
     the given stream is made the sole direct dependency of the parent, with
-    all other existing dependents made a dependent of the given stream. Defaults
-    to `false`.
+    all other existing dependents made a dependent of the given stream. **Default:**
+    `false`
   * `parent` {number} Specifies the numeric identifier of a stream the given
     stream is dependent on.
   * `weight` {number} Specifies the relative dependency of a stream in relation
@@ -734,8 +734,8 @@ added: v8.4.0
 * `options` {Object}
   * `exclusive` {boolean} When `true` and `parent` identifies a parent Stream,
     this stream is made the sole direct dependency of the parent, with
-    all other existing dependents made a dependent of this stream. Defaults
-    to `false`.
+    all other existing dependents made a dependent of this stream. **Default:**
+    `false`
   * `parent` {number} Specifies the numeric identifier of a stream this stream
     is dependent on.
   * `weight` {number} Specifies the relative dependency of a stream in relation
@@ -764,7 +764,7 @@ calling `http2stream.rstStream()`, or `http2stream.destroy()`. Will be
 added: v8.4.0
 -->
 
-* code {number} Unsigned 32-bit integer identifying the error code. Defaults to
+* code {number} Unsigned 32-bit integer identifying the error code. **Default:**
   `http2.constant.NGHTTP2_NO_ERROR` (`0x00`)
 * Returns: {undefined}
 
@@ -986,7 +986,7 @@ added: v8.4.0
   * `exclusive` {boolean} When `true` and `parent` identifies a parent Stream,
     the created stream is made the sole direct dependency of the parent, with
     all other existing dependents made a dependent of the newly created stream.
-    Defaults to `false`.
+    **Default:** `false`
   * `parent` {number} Specifies the numeric identifier of a stream the newly
     created stream is dependent on.
 * `callback` {Function} Callback that is called once the push stream has been
@@ -1063,14 +1063,14 @@ fields.
 added: v8.4.0
 -->
 
-* `fd` {number} A readable file descriptor
+* `fd` {number} A readable file descriptor.
 * `headers` {[Headers Object][]}
 * `options` {Object}
   * `statCheck` {Function}
   * `getTrailers` {Function} Callback function invoked to collect trailer
     headers.
-  * `offset` {number} The offset position at which to begin reading
-  * `length` {number} The amount of data from the fd to send
+  * `offset` {number} The offset position at which to begin reading.
+  * `length` {number} The amount of data from the fd to send.
 
 Initiates a response whose data is read from the given file descriptor. No
 validation is performed on the given file descriptor. If an error occurs while
@@ -1152,11 +1152,11 @@ added: v8.4.0
 * `options` {Object}
   * `statCheck` {Function}
   * `onError` {Function} Callback function invoked in the case of an
-    Error before send
+    Error before send.
   * `getTrailers` {Function} Callback function invoked to collect trailer
     headers.
-  * `offset` {number} The offset position at which to begin reading
-  * `length` {number} The amount of data from the fd to send
+  * `offset` {number} The offset position at which to begin reading.
+  * `length` {number} The amount of data from the fd to send.
 
 Sends a regular file as the response. The `path` must specify a regular file
 or an `'error'` event will be emitted on the `Http2Stream` object.
@@ -1474,13 +1474,13 @@ added: v8.4.0
 
 * `options` {Object}
   * `maxDeflateDynamicTableSize` {number} Sets the maximum dynamic table size
-    for deflating header fields. Defaults to 4Kib.
+    for deflating header fields. **Default:** `4Kib`
   * `maxSendHeaderBlockLength` {number} Sets the maximum allowed size for a
     serialized, compressed block of headers. Attempts to send headers that
     exceed this limit will result in a `'frameError'` event being emitted
     and the stream being closed and destroyed.
   * `paddingStrategy` {number} Identifies the strategy used for determining the
-     amount of padding to use for HEADERS and DATA frames. Defaults to
+     amount of padding to use for HEADERS and DATA frames. **Default:**
      `http2.constants.PADDING_STRATEGY_NONE`. Value may be one of:
      * `http2.constants.PADDING_STRATEGY_NONE` - Specifies that no padding is
        to be applied.
@@ -1492,8 +1492,8 @@ added: v8.4.0
        amount of padding.
   * `peerMaxConcurrentStreams` {number} Sets the maximum number of concurrent
     streams for the remote peer as if a SETTINGS frame had been received. Will
-    be overridden if the remote peer sets its own value for
-    `maxConcurrentStreams`. Defaults to 100.
+    be overridden if the remote peer sets its own value for.
+    `maxConcurrentStreams`. **Default** `100`
   * `selectPadding` {Function} When `options.paddingStrategy` is equal to
     `http2.constants.PADDING_STRATEGY_CALLBACK`, provides the callback function
     used to determine the padding. See [Using options.selectPadding][].
@@ -1529,16 +1529,16 @@ added: v8.4.0
 
 * `options` {Object}
   * `allowHTTP1` {boolean} Incoming client connections that do not support
-    HTTP/2 will be downgraded to HTTP/1.x when set to `true`. The default value
-    is `false`. See the [`'unknownProtocol'`][] event. See [ALPN negotiation][].
+    HTTP/2 will be downgraded to HTTP/1.x when set to `true`. **Default:**
+    `false`. See the [`'unknownProtocol'`][] event. See [ALPN negotiation][].
   * `maxDeflateDynamicTableSize` {number} Sets the maximum dynamic table size
-    for deflating header fields. Defaults to 4Kib.
+    for deflating header fields. **Default:** `4Kib`
   * `maxSendHeaderBlockLength` {number} Sets the maximum allowed size for a
     serialized, compressed block of headers. Attempts to send headers that
     exceed this limit will result in a `'frameError'` event being emitted
     and the stream being closed and destroyed.
   * `paddingStrategy` {number} Identifies the strategy used for determining the
-     amount of padding to use for HEADERS and DATA frames. Defaults to
+     amount of padding to use for HEADERS and DATA frames. **Default:**
      `http2.constants.PADDING_STRATEGY_NONE`. Value may be one of:
      * `http2.constants.PADDING_STRATEGY_NONE` - Specifies that no padding is
        to be applied.
@@ -1551,7 +1551,7 @@ added: v8.4.0
   * `peerMaxConcurrentStreams` {number} Sets the maximum number of concurrent
     streams for the remote peer as if a SETTINGS frame had been received. Will
     be overridden if the remote peer sets its own value for
-    `maxConcurrentStreams`. Defaults to 100.
+    `maxConcurrentStreams`. **Default:** `100`
   * `selectPadding` {Function} When `options.paddingStrategy` is equal to
     `http2.constants.PADDING_STRATEGY_CALLBACK`, provides the callback function
     used to determine the padding. See [Using options.selectPadding][].
@@ -1595,7 +1595,7 @@ added: v8.4.0
 * `authority` {string|URL}
 * `options` {Object}
   * `maxDeflateDynamicTableSize` {number} Sets the maximum dynamic table size
-    for deflating header fields. Defaults to 4Kib.
+    for deflating header fields. **Default:** `4Kib`
   * `maxReservedRemoteStreams` {number} Sets the maximum number of reserved push
     streams the client will accept at any given time. Once the current number of
     currently reserved push streams exceeds reaches this limit, new push streams
@@ -1605,7 +1605,7 @@ added: v8.4.0
     exceed this limit will result in a `'frameError'` event being emitted
     and the stream being closed and destroyed.
   * `paddingStrategy` {number} Identifies the strategy used for determining the
-     amount of padding to use for HEADERS and DATA frames. Defaults to
+     amount of padding to use for HEADERS and DATA frames. **Default:**
      `http2.constants.PADDING_STRATEGY_NONE`. Value may be one of:
      * `http2.constants.PADDING_STRATEGY_NONE` - Specifies that no padding is
        to be applied.
@@ -1618,7 +1618,7 @@ added: v8.4.0
   * `peerMaxConcurrentStreams` {number} Sets the maximum number of concurrent
     streams for the remote peer as if a SETTINGS frame had been received. Will
     be overridden if the remote peer sets its own value for
-    `maxConcurrentStreams`. Defaults to 100.
+    `maxConcurrentStreams`. **Default:** `100`
   * `selectPadding` {Function} When `options.paddingStrategy` is equal to
     `http2.constants.PADDING_STRATEGY_CALLBACK`, provides the callback function
     used to determine the padding. See [Using options.selectPadding][].
@@ -1706,7 +1706,7 @@ console.log(packed.toString('base64'));
 added: v8.4.0
 -->
 
-* `buf` {Buffer|Uint8Array} The packed settings
+* `buf` {Buffer|Uint8Array} The packed settings.
 * Returns: {[Settings Object][]}
 
 Returns a [Settings Object][] containing the deserialized settings from the
@@ -1756,15 +1756,15 @@ These objects are ordinary JavaScript objects containing the following
 properties.
 
 * `headerTableSize` {number} Specifies the maximum number of bytes used for
-  header compression. The default value is 4,096 octets. The minimum allowed
+  header compression. **Default:** `4,096 octets`. The minimum allowed
   value is 0. The maximum allowed value is 2<sup>32</sup>-1.
 * `enablePush` {boolean} Specifies `true` if HTTP/2 Push Streams are to be
   permitted on the `Http2Session` instances.
 * `initialWindowSize` {number} Specifies the *senders* initial window size
-  for stream-level flow control. The default value is 65,535 bytes. The minimum
+  for stream-level flow control. **Default:** `65,535 bytes`. The minimum
   allowed value is 0. The maximum allowed value is 2<sup>32</sup>-1.
 * `maxFrameSize` {number} Specifies the size of the largest frame payload.
-  The default and the minimum allowed value is 16,384 bytes. The maximum
+  **Default:** `16,384 bytes`. The minimum allowed value is 16,384. The maximum
   allowed value is 2<sup>24</sup>-1.
 * `maxConcurrentStreams` {number} Specifies the maximum number of concurrent
   streams permitted on an `Http2Session`. There is no default value which
@@ -2477,7 +2477,7 @@ added: v8.4.0
 -->
 
 * `name` {string}
-* `value` {string | string[]}
+* `value` {string|string[]}
 
 Sets a single header value for implicit headers.  If this header already exists
 in the to-be-sent headers, its value will be replaced.  Use an array of strings
diff --git a/doc/api/net.md b/doc/api/net.md
index 57cb410e523a9a..04821ad2e90ea7 100644
--- a/doc/api/net.md
+++ b/doc/api/net.md
@@ -250,10 +250,10 @@ added: v0.11.14
   * `path` {string} Will be ignored if `port` is specified. See
     [Identifying paths for IPC connections][].
   * `backlog` {number} Common parameter of [`server.listen()`][]
-    functions
-  * `exclusive` {boolean} Default to `false`
+    functions.
+  * `exclusive` {boolean} **Default:** `false`
 * `callback` {Function} Common parameter of [`server.listen()`][]
-  functions
+  functions.
 * Returns: {net.Server}
 
 If `port` is specified, it behaves the same as
@@ -283,8 +283,8 @@ added: v0.1.90
 
 * `path` {String} Path the server should listen to. See
   [Identifying paths for IPC connections][].
-* `backlog` {number} Common parameter of [`server.listen()`][] functions
-* `callback` {Function} Common parameter of [`server.listen()`][] functions
+* `backlog` {number} Common parameter of [`server.listen()`][] functions.
+* `callback` {Function} Common parameter of [`server.listen()`][] functions.
 * Returns: {net.Server}
 
 Start a [IPC][] server listening for connections on the given `path`.
@@ -295,8 +295,8 @@ added: v0.1.90
 -->
 * `port` {number}
 * `host` {string}
-* `backlog` {number} Common parameter of [`server.listen()`][] functions
-* `callback` {Function} Common parameter of [`server.listen()`][] functions
+* `backlog` {number} Common parameter of [`server.listen()`][] functions.
+* `callback` {Function} Common parameter of [`server.listen()`][] functions.
 * Returns: {net.Server}
 
 Start a TCP server listening for connections on the given `port` and `host`.
@@ -385,11 +385,11 @@ Creates a new socket object.
     the given file descriptor, otherwise a new socket will be created.
   * `allowHalfOpen` {boolean} Indicates whether half-opened TCP connections
     are allowed. See [`net.createServer()`][] and the [`'end'`][] event
-    for details. Defaults to `false`.
+    for details. **Default:** `false`
   * `readable` {boolean} Allow reads on the socket when an `fd` is passed,
-    otherwise ignored. Defaults to `false`.
+    otherwise ignored. **Default:** `false`
   * `writable` {boolean} Allow writes on the socket when an `fd` is passed,
-    otherwise ignored. Defaults to `false`.
+    otherwise ignored. **Default:** `false`
 * Returns: {net.Socket}
 
 The newly created socket can be either a TCP socket or a streaming [IPC][]
@@ -581,12 +581,12 @@ this only when implementing a custom Socket.
 For TCP connections, available `options` are:
 
 * `port` {number} Required. Port the socket should connect to.
-* `host` {string} Host the socket should connect to. Defaults to `'localhost'`.
+* `host` {string} Host the socket should connect to. **Default:** `'localhost'`
 * `localAddress` {string} Local address the socket should connect from.
 * `localPort` {number} Local port the socket should connect from.
-* `family` {number}: Version of IP stack, can be either 4 or 6. Defaults to 4.
+* `family` {number}: Version of IP stack, can be either 4 or 6. **Default:** `4`
 * `hints` {number} Optional [`dns.lookup()` hints][].
-* `lookup` {Function} Custom lookup function. Defaults to [`dns.lookup()`][].
+* `lookup` {Function} Custom lookup function. **Default:** [`dns.lookup()`][]
 
 For [IPC][] connections, available `options` are:
 
@@ -965,9 +965,9 @@ added: v0.1.90
 
 * `port` {number} Port the socket should connect to. Will be passed to
   [`socket.connect(port[, host][, connectListener])`][`socket.connect(port, host)`].
-* `host` {string} Host the socket should connect to. Defaults to `'localhost'`.
-  Will be passed to
+* `host` {string} Host the socket should connect to. Will be passed to
   [`socket.connect(port[, host][, connectListener])`][`socket.connect(port, host)`].
+   **Default:** `'localhost'`
 * `connectListener` {Function} Common parameter of the
   [`net.createConnection()`][] functions, an "once" listener for the
   `'connect'` event on the initiating socket. Will be passed to
@@ -989,12 +989,12 @@ added: v0.5.0
 Creates a new TCP or [IPC][] server.
 
 * `options` {Object}
-  * `allowHalfOpen` {boolean} Default to `false`. Indicates whether half-opened
-    TCP connections are allowed.
-  * `pauseOnConnect` {boolean} Default to `false`. Indicates whether the socket
-    should be paused on incoming connections.
+  * `allowHalfOpen` {boolean} Indicates whether half-opened TCP
+    connections are allowed. **Default:** `false`
+  * `pauseOnConnect` {boolean} Indicates whether the socket should be
+    paused on incoming connections. **Default:** `false`
 * `connectionListener` {Function} Automatically set as a listener for the
-  [`'connection'`][] event
+  [`'connection'`][] event.
 * Returns: {net.Server}
 
 If `allowHalfOpen` is set to `true`, when the other end of the socket
diff --git a/doc/api/os.md b/doc/api/os.md
index 019330cdf9b1f8..dca9b266f7806d 100644
--- a/doc/api/os.md
+++ b/doc/api/os.md
@@ -401,7 +401,7 @@ added: v6.0.0
 * `options` {Object}
   * `encoding` {string} Character encoding used to interpret resulting strings.
     If `encoding` is set to `'buffer'`, the `username`, `shell`, and `homedir`
-    values will be `Buffer` instances. (Default: 'utf8')
+    values will be `Buffer` instances. **Default:** `'utf8'`
 * Returns: {Object}
 
 The `os.userInfo()` method returns information about the currently effective
diff --git a/doc/api/readline.md b/doc/api/readline.md
index 353ef87f8fcd02..8619d75132836d 100644
--- a/doc/api/readline.md
+++ b/doc/api/readline.md
@@ -369,21 +369,20 @@ changes:
   * `terminal` {boolean} `true` if the `input` and `output` streams should be
     treated like a TTY, and have ANSI/VT100 escape codes written to it.
     Defaults to checking `isTTY` on the `output` stream upon instantiation.
-  * `historySize` {number} maximum number of history lines retained. To disable
-    the history set this value to `0`. Defaults to `30`. This option makes sense
-    only if `terminal` is set to `true` by the user or by an internal `output`
-    check, otherwise the history caching mechanism is not initialized at all.
-  * `prompt` - the prompt string to use. Default: `'> '`
+  * `historySize` {number} Maximum number of history lines retained. To disable
+    the history set this value to `0`. This option makes sense only if `terminal`
+    is set to `true` by the user or by an internal `output` check, otherwise the
+    history caching mechanism is not initialized at all. **Default:** `30`
+  * `prompt` {string} The prompt string to use. **Default:** `'> '`
   * `crlfDelay` {number} If the delay between `\r` and `\n` exceeds
     `crlfDelay` milliseconds, both `\r` and `\n` will be treated as separate
-    end-of-line input. Default to `100` milliseconds.
-    `crlfDelay` will be coerced to a number no less than `100`. It can be set to
-    `Infinity`, in which case `\r` followed by `\n` will always be considered a
-    single newline (which may be reasonable for [reading files][] with `\r\n`
-    line delimiter).
+    end-of-line input. `crlfDelay` will be coerced to a number no less than `100`.
+    It can be set to `Infinity`, in which case `\r` followed by `\n` will always be
+    considered a single newline (which may be reasonable for [reading files][]
+    with `\r\n` line delimiter). **Default:** `100`
   * `removeHistoryDuplicates` {boolean} If `true`, when a new input line added
     to the history list duplicates an older one, this removes the older line
-    from the list. Defaults to `false`.
+    from the list. **Default:** `false`
 
 The `readline.createInterface()` method creates a new `readline.Interface`
 instance.