diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 28e6ba48..88b6051a 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -4,8 +4,8 @@ Please visit [openDBM](https://aicure.com/opendbm/) page if you have not seen it
 
 ## What you should know
 
-- Read code of conduct.
-- Read License.
+- Read [code of conduct](https://github.com/AiCure/open_dbm/blob/master/CODE_OF_CONDUCT.md).
+- Read [License](https://github.com/AiCure/open_dbm/blob/master/license.txt).
 - Agree to contribute code under openDBM(GPL v3.0).
 - Before adding new feature/algorithmn make sure it's not patented.
 - Before fixing any bug make sure it's still exists and reproducable in master branch.