diff --git a/python/paddle/fluid/metrics.py b/python/paddle/fluid/metrics.py
index 99a81c1d4244b919a53dfec36fc5a6659c10adae..c618b02a768f2ca3e2b2914d8ee0134836d5c0d2 100644
--- a/python/paddle/fluid/metrics.py
+++ b/python/paddle/fluid/metrics.py
@@ -169,7 +169,7 @@ class Accuracy(MetricBase):
         return self.value / self.weight
 
 
-class ChunkEvalutor(MetricBase):
+class ChunkEvaluator(MetricBase):
     """
     Accumulate counter numbers output by chunk_eval from mini-batches and
     compute the precision recall and F1-score using the accumulated counter
@@ -177,7 +177,7 @@ class ChunkEvalutor(MetricBase):
     """
 
     def __init__(self, name=None):
-        super(ChunkEvalutor, self).__init__(name)
+        super(ChunkEvaluator, self).__init__(name)
         self.num_infer_chunks = 0
         self.num_label_chunks = 0
         self.num_correct_chunks = 0