diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 8d5bd3de4..4180d06f7 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -11,7 +11,7 @@ Prometheus uses GitHub to manage reviews of pull requests.
 * If you plan to do something more involved, first discuss your ideas
   on our [mailing list](https://groups.google.com/forum/?fromgroups#!forum/prometheus-developers).
   This will avoid unnecessary work and surely give you and us a good deal
-  of inspiration.
+  of inspiration. Also please see our [non-goals issue](https://github.com/prometheus/docs/issues/149) on areas that the Prometheus community doesn't plan to work on.
 
 * Relevant coding style guidelines are the [Go Code Review
   Comments](https://code.google.com/p/go-wiki/wiki/CodeReviewComments)