diff --git a/paddle/fluid/operators/activation_op.cc b/paddle/fluid/operators/activation_op.cc
index f086a4cc46e23521ddaa7f21394653ec89903b49..3d604fd335ded19d9408f50942a2fd9fe2fbda01 100644
--- a/paddle/fluid/operators/activation_op.cc
+++ b/paddle/fluid/operators/activation_op.cc
@@ -219,7 +219,7 @@ $$out = \\frac{1}{\\sqrt{x}}$$
 )DOC";
 
 UNUSED constexpr char AbsDoc[] = R"DOC(
-Abs Activation Operator.
+Abs Operator.
 
 $$out = |x|$$