diff --git a/paddle/fluid/operators/activation_op.cc b/paddle/fluid/operators/activation_op.cc
index ed663e2be4344d2cbbdb97ab95137c574f91724b..e3dff735c6087010842dbb7fa8d9eb7c8f68e496 100644
--- a/paddle/fluid/operators/activation_op.cc
+++ b/paddle/fluid/operators/activation_op.cc
@@ -351,7 +351,7 @@ class AsinOpMaker : public framework::OpProtoAndCheckerMaker {
     AddInput("X", "Input of asin operator");
     AddOutput("Out", "Output of asin operator");
     AddComment(R"DOC(
-Arcsine Activation Operator.
+Arcsine Operator.
 
 $$out = \sin^{-1}(x)$$