tvalentyn commented on code in PR #29834:
URL: https://github.com/apache/beam/pull/29834#discussion_r1480688045


##########
sdks/python/apache_beam/transforms/xlang/__init__.py:
##########
@@ -16,6 +16,12 @@
 #
 
 """
-This is a subdirectory for generated external transforms.
-Refer to sdks/python/gen_xlang_wrappers.py for more details.
+This package contains autogenerated Python wrappers for cross-language
+transforms available in other Beam SDKs.
+
+For documentation on creating and using cross-language transforms, see:
+https://beam.apache.org/documentation/programming-guide/#multi-language-pipelines

Review Comment:
   1) would it make sense to  reference a link to pydoc here? 
   2) 
https://beam.apache.org/documentation/programming-guide/#use-x-lang-transformsShould
 were refernce the 'using' portion specifically?  
https://beam.apache.org/documentation/programming-guide/#use-x-lang-transforms



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