diff --git a/speechx/speechx/asr/recognizer/u2_recognizer.h b/speechx/speechx/asr/recognizer/u2_recognizer.h
index 5cd407000..5d628e3a3 100644
--- a/speechx/speechx/asr/recognizer/u2_recognizer.h
+++ b/speechx/speechx/asr/recognizer/u2_recognizer.h
@@ -111,8 +111,8 @@ struct U2RecognizerResource {
 
 class U2Recognizer {
   public:
-    explict U2Recognizer(const U2RecognizerResource& resouce);
-    explict U2Recognizer(const U2RecognizerResource& resource,
+    explicit U2Recognizer(const U2RecognizerResource& resouce);
+    explicit U2Recognizer(const U2RecognizerResource& resource,
                          std::shared_ptr<NnetBase> nnet);
     ~U2Recognizer();
     void InitDecoder();