diff --git a/docs/README.md b/docs/README.md
index 208ff8bf47b6..a1c8526e6ef5 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -1,3 +1,10 @@
+Please make sure that you use the documents that match your Electron version.
+The version number should be a part of the URL. If it's not, you are probably
+using the documentation of a development branch which may contain API changes
+that are not compatible with your Electron version.
+When in doubt, run Electron without supplying an app path, and click on the 
+`docs` link.
+
 ## Guides
 
 * [Supported Platforms](tutorial/supported-platforms.md)