diff --git a/tensorflow/g3doc/api_docs/python/contrib.graph_editor.md b/tensorflow/g3doc/api_docs/python/contrib.graph_editor.md
index 303a99020c5..b5aae70911c 100644
--- a/tensorflow/g3doc/api_docs/python/contrib.graph_editor.md
+++ b/tensorflow/g3doc/api_docs/python/contrib.graph_editor.md
@@ -1794,6 +1794,9 @@ This handler is typically used to transform a hidden input tensors.
 
 Add the transformed elem to the (renamed) collections of elem.
 
+A collection is renamed only if is not a known key, as described in
+`tf.GraphKeys`.
+
 ##### Args:
 
 
diff --git a/tensorflow/g3doc/api_docs/python/functions_and_classes/shard6/tf.contrib.graph_editor.assign_renamed_collections_handler.md b/tensorflow/g3doc/api_docs/python/functions_and_classes/shard6/tf.contrib.graph_editor.assign_renamed_collections_handler.md
index 05b2eba5327..153da470eaa 100644
--- a/tensorflow/g3doc/api_docs/python/functions_and_classes/shard6/tf.contrib.graph_editor.assign_renamed_collections_handler.md
+++ b/tensorflow/g3doc/api_docs/python/functions_and_classes/shard6/tf.contrib.graph_editor.assign_renamed_collections_handler.md
@@ -2,6 +2,9 @@
 
 Add the transformed elem to the (renamed) collections of elem.
 
+A collection is renamed only if is not a known key, as described in
+`tf.GraphKeys`.
+
 ##### Args: