Add link to CLA
diff --git a/README.md b/README.md
index 8ffec06..e1296da 100644
--- a/README.md
+++ b/README.md
@@ -130,4 +130,7 @@
 ```
 make COMPILER_WARNINGS_FATAL=false images
 ```
-for the latest XCode
\ No newline at end of file
+for the latest XCode
+
+##Contribution
+We will be happy to receive your pull requests. Before you submit one, please sign our Contributor License Agreement (CLA)  https://www.jetbrains.com/agreements/cla/