Fix doc link.
diff --git a/has-project/README.md b/has-project/README.md
index a3c6c1f..eab4b2a 100644
--- a/has-project/README.md
+++ b/has-project/README.md
@@ -8,11 +8,11 @@
 * New authentication mechanism can be customized and plugined.
 
 # Architecture
-![](https://github.com/apache/directory-kerby/tree/trunk/has-project/docs/has-overall.png)
+![](https://github.com/apache/directory-kerby/blob/trunk/has-project/docs/has-overall.png)
 
 # Design
 Assuming existing users are stored in a SQL database (like MySQL), the detailed design and workflow may go like the following:
-![](https://github.com/apache/directory-kerby/tree/trunk/has-project/docs/has-design.png)
+![](https://github.com/apache/directory-kerby/blob/trunk/has-project/docs/has-design.png)
 
 # New mechanism plugin API
 
@@ -41,4 +41,4 @@
 ```
 
 ## Getting Started
-Please look at [Getting Started](https://github.com/apache/directory-kerby/blob/has-project/has/doc/has-start.md) for details.
+Please look at [Getting Started](https://github.com/apache/directory-kerby/blob/trunk/has-project/docs/has-start.md) for details.
diff --git a/has-project/docs/has-start.md b/has-project/docs/has-start.md
index cc22768..a67aaab 100644
--- a/has-project/docs/has-start.md
+++ b/has-project/docs/has-start.md
@@ -17,7 +17,7 @@
 ## 2. Start and configure HAS server
 
 ### Deploy https
-Please look at [How to deploy https](https://github.com/apache/directory-kerby/tree/trunk/has-project/docs/deploy-https.md) for details.
+Please look at [How to deploy https](https://github.com/apache/directory-kerby/blob/trunk/has-project/docs/deploy-https.md) for details.
 
 ### Configure has-server.conf in <conf_dir>:
 An example of has-server.conf:
@@ -71,7 +71,7 @@
 ```
 
 ### Deploy http spnego
-Please look at [How to deploy http spnego](https://github.com/apache/directory-kerby/tree/trunk/has-project/docs/deploy-spnego.md) for details.
+Please look at [How to deploy http spnego](https://github.com/apache/directory-kerby/blob/trunk/has-project/docs/deploy-spnego.md) for details.
 Please restart the HAS server
 
 ```