reference in programming guide

website/www/site/content/en/documentation/programming-guide.md

@@ -7639,6 +7639,8 @@ In this section, we will use [KafkaIO.Read](https://beam.apache.org/releases/jav
 
 #### 13.1.1. Creating cross-language Java transforms
 
+For Beam versions 2.60.0+, please follow this [guide](sdks/python-custom-multi-language-pipelines-guide.md) instead.
+
 There are two ways to make Java transforms available to other SDKs.
 
 * Option 1: In some cases, you can use existing Java transforms from other SDKs without writing any additional Java code.

website/www/site/content/en/documentation/sdks/python-custom-multi-language-pipelines-guide.md

@@ -72,8 +72,8 @@ This configuration is surfaced to foreign SDKs. For example, when using this tra
 
 ```python
 with beam.Pipeline() as p:
-  (p 
-   | Create([...]) 
+  (p
+   | Create([...])
    | MySchemaTransform(foo="abc", bar=123)
 ```
 
@@ -176,7 +176,7 @@ dependencies {
 
     // Beam's expansion service
     runtimeOnly "org.apache.beam:beam-sdks-java-expansion-service:$beamVersion"
-    // AutoService annotation for our SchemaTransform provider 
+    // AutoService annotation for our SchemaTransform provider
     compileOnly "com.google.auto.service:auto-service-annotations:1.0.1"
     annotationProcessor "com.google.auto.service:auto-service:1.0.1"
     // AutoValue annotation for our configuration object
@@ -264,7 +264,7 @@ inspect.getdoc(MyTransform)
 # Output: "This transform does this and that..."
 
 inspect.signature(MyTransform)
-# Output: (foo: "str: Description of what foo does...", 
+# Output: (foo: "str: Description of what foo does...",
 #	     bar: "int: Description of what bar does....")
 ```
 
@@ -299,7 +299,7 @@ Produces a SchemaTransform using a provided configuration. An expansion service
 ```java
 SchemaTransformProvider {
   String identifier();
-  
+
   SchemaTransform from(Row configuration);
 
   Schema configurationSchema();