diff --git a/tensorflow/core/api_def/base_api/api_def_Acosh.pbtxt b/tensorflow/core/api_def/base_api/api_def_Acosh.pbtxt
index 41a7b9acf61..d9690b622b7 100644
--- a/tensorflow/core/api_def/base_api/api_def_Acosh.pbtxt
+++ b/tensorflow/core/api_def/base_api/api_def_Acosh.pbtxt
@@ -7,4 +7,5 @@ Input range is [1, infinity). It returns `nan` if the input lies outside the ran
 ```python
 tensor `x` is [-2, -0.5, 1, 1.2, 200, 10000]
 tf.acosh(x) ==> [nan nan 0. 0.62236255 5.9914584 9.903487]
+END
 }