Fixed documentation after constant_initializer.

Change: 136073454

tensorflow/g3doc/api_docs/python/functions_and_classes/shard1/tf.constant_initializer.md

@@ -72,5 +72,5 @@ tensor shape, the initializer will raise a `ValueError`.
 
 
 *  <b>`ValueError`</b>: Too many elements provided. Needed at most 6, but received 8
-  ```
+```
 

tensorflow/g3doc/api_docs/python/state_ops.md

@@ -2433,7 +2433,7 @@ tensor shape, the initializer will raise a `ValueError`.
 
 
 *  <b>`ValueError`</b>: Too many elements provided. Needed at most 6, but received 8
-  ```
+```
 
 
 - - -

tensorflow/python/ops/init_ops.py

@@ -139,7 +139,7 @@ def constant_initializer(value=0, dtype=dtypes.float32):
     >>>   x = tf.get_variable('x', shape=[2, 3], initializer=init)
 
     ValueError: Too many elements provided. Needed at most 6, but received 8
-    ```
+  ```
   """
   def _initializer(shape, dtype=dtype, partition_info=None):
     return constant_op.constant(value, dtype=dtype, shape=shape)