diff --git a/Release-Procedure.md b/Release-Procedure.md
index 95c8aab..5ece6c4 100644
--- a/Release-Procedure.md
+++ b/Release-Procedure.md
@@ -73,7 +73,7 @@ Edit `package.json` and bump the patch version number, e.g.
 ```json
 {
   "name": "openlayers",
-  "version": "3.1.1"
+  "version": "3.1.1-dev"
 }
 ```
 Propagate this change to `package-lock.json`:
@@ -83,7 +83,7 @@ Propagate this change to `package-lock.json`:
 Commit and push this change:
 
     git add package.json package-lock.json
-    git commit -m "Develop on 3.1.1"
+    git commit -m "Develop on 3.1.1-dev"
 
 ### Merge the release branch