Update generated Python Op docs.

Change: 119698585

tensorflow/g3doc/api_docs/python/state_ops.md

@@ -120,9 +120,12 @@ variable to its initial value.
 ##### Args:
 
 
-*  <b>`initial_value`</b>: A `Tensor`, or Python object convertible to a `Tensor`.
-    The initial value for the Variable. Must have a shape specified unless
-    `validate_shape` is set to False.
+*  <b>`initial_value`</b>: A `Tensor`, or Python object convertible to a `Tensor`,
+    which is the initial value for the Variable. The initial value must have
+    a shape specified unless `validate_shape` is set to False. Can also be a
+    callable with no argument that returns the initial value when called. In
+    that case, `dtype` must be specified. (Note that initializer functions
+    from init_ops.py must first be bound to a shape before being used here.)
 *  <b>`trainable`</b>: If `True`, the default, also adds the variable to the graph
     collection `GraphKeys.TRAINABLE_VARIABLES`. This collection is used as
     the default list of variables to use by the `Optimizer` classes.