diff --git a/docs/development/adding_a_feature.md b/docs/development/adding_a_feature.md
index 2cfdce7e1e..0bb92994d5 100644
--- a/docs/development/adding_a_feature.md
+++ b/docs/development/adding_a_feature.md
@@ -174,7 +174,7 @@ Values:
 * unset means to use the default policy, which is currently to apply OS security updates unless they require a reboot
 ```
 
-Additionally, consider adding documentation of your new feature to the docs in [/docs](/). If your feature touches configuration options in `config` or `cluster.spec`, document them in [cluster_spec.md](cluster_spec.md).
+Additionally, consider adding documentation of your new feature to the docs in [/docs](/). If your feature touches configuration options in `config` or `cluster.spec`, document them in [cluster_spec.md](https://github.com/kubernetes/kops/blob/master/docs/cluster_spec.md).
 
 ## Testing