diff --git a/Release-Procedure.md b/Release-Procedure.md
index ecf8510..52b8d15 100644
--- a/Release-Procedure.md
+++ b/Release-Procedure.md
@@ -61,6 +61,8 @@ Run the `publish.sh` task with the version number as specified in the `package.j
 
 ### Update website
 
+It is advisable to wait with this step until the cdnjs url is available (https://cdnjs.cloudflare.com/ajax/libs/ol3/[X.Y.Z]/ol.js). This can take up to 24 hours.
+
 You need a local clone of the openlayers/openlayers.github.io repo, with the `build` branch checked out.
 
 First of all make sure your `build` branch is up to date.  Note that the deploy step requires that the remote is named `origin`.