diff --git a/README.md b/README.md
index 8f49654..b13a3eb 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # team-labels
 
+Testing branch.
+
 A GitHub App built with [Probot](https://github.com/probot/probot) that adds
 labels to issues and PRs based on the assignee.