diff --git a/python/paddle/fluid/contrib/slim/quantization/quantization_pass.py b/python/paddle/fluid/contrib/slim/quantization/quantization_pass.py
index ce16a32415e3ff86224fb444cdb41b11ed74b9cd..266a106bc507104c0a8db1c882b55ac59e88195e 100644
--- a/python/paddle/fluid/contrib/slim/quantization/quantization_pass.py
+++ b/python/paddle/fluid/contrib/slim/quantization/quantization_pass.py
@@ -313,6 +313,6 @@ class QuantizationTransformPass(object):
 
     def _quantized_scale_name(self, var_name):
         """
-        Return quantized variable name for the input `var_name`.
+        Return the scale name of quantized variable for the input `var_name`.
         """
         return "%s.scale" % (var_name)