Fix repository link (#106)

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index d05c687..1943772 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -43,7 +43,7 @@
 
 ## Fork
 
-Before contributing, you need to fork [pulsar-client-go](https://github.com/apache/pulsar) to your github repository.
+Before contributing, you need to fork [pulsar-client-go](https://github.com/apache/pulsar-client-go) to your github repository.
 
 ## Contribution flow