diff --git a/docs/howto_1_WriteTrial.md b/docs/howto_1_WriteTrial.md
index 907ff5b72e..506c6b8fa1 100644
--- a/docs/howto_1_WriteTrial.md
+++ b/docs/howto_1_WriteTrial.md
@@ -113,7 +113,7 @@ with tf.Session() as sess:
 >>
 >>`@nni.report_intermediate_result`/`@nni.report_final_result` will send the data to assessor/tuner at that line. 
 >>
->>Please refer to [Annotation README](../tools/annotation/README.md) for more information about annotation syntax and its usage. 
+>>Please refer to [Annotation README](../tools/nni_annotation/README.md) for more information about annotation syntax and its usage. 
 
 
 >Step 2 - Enable NNI Annotation
diff --git a/tools/nni_annotation/README.md b/tools/nni_annotation/README.md
index 5383e3cc24..92ff444095 100644
--- a/tools/nni_annotation/README.md
+++ b/tools/nni_annotation/README.md
@@ -1,4 +1,4 @@
-# Introduction 
+# NNI Annotation Introduction 
 
 For good user experience and reduce user effort, we need to design a good annotation grammar.