diff --git a/doc/api/crypto.md b/doc/api/crypto.md
index fa9b96e33bc4d2..c91ebd55e42789 100644
--- a/doc/api/crypto.md
+++ b/doc/api/crypto.md
@@ -3021,7 +3021,7 @@ key may be passed for `key`.
 
 ## Notes
 
-### Legacy streams API (prior to Node.js 0.10)
+### Legacy Streams API (prior to Node.js 0.10)
 
 The Crypto module was added to Node.js before there was the concept of a
 unified Stream API, and before there were [`Buffer`][] objects for handling