diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index 0ec44dc2..2d8907bc 100644
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@@ -1,3 +1,7 @@
+## Preview
+
+Note that when using the preview version of AL-Go for GitHub, we recommend you Update your AL-Go system files, as soon as possible when informed that an update is available. 
+
 ## v4.0
 
 ### Removal of the InsiderSasToken