diff --git a/ai/neural_network_runtime/neural_network_runtime_type.h b/ai/neural_network_runtime/neural_network_runtime_type.h
index 5c003b0a850080af5cc11974cac90ed914028b64..3d49ae09ed7430bea5aebbc74a02bd7ff0fd79f3 100644
--- a/ai/neural_network_runtime/neural_network_runtime_type.h
+++ b/ai/neural_network_runtime/neural_network_runtime_type.h
@@ -2821,7 +2821,7 @@ typedef enum {
      *  of the AvgPool operator. */
     OH_NN_AVG_POOL_ACTIVATION_TYPE = 6,
 
-    /** This enumerated value is used when the tensor is used as the <b>eosilon</b> parameter
+    /** This enumerated value is used when the tensor is used as the <b>epsilon</b> parameter
      *  of the BatchNorm operator. */
     OH_NN_BATCH_NORM_EPSILON = 7,