diff --git a/Community-Compatibility-Reports.md b/Community-Compatibility-Reports.md
index 18286d0..3728a9e 100644
--- a/Community-Compatibility-Reports.md
+++ b/Community-Compatibility-Reports.md
@@ -2,6 +2,8 @@ These compatibility reports mirror a community-driven data project to which you
 
 Please visit https://docs.google.com/forms/d/e/1FAIpQLSeefaYQduMST_lg0IsYxZko8tHLKe2vtVZLFaPNycyhY4bidQ/viewform if you want to contribute your own compatibility report.
 
+*Please do not edit these pages, as any additions will be lost when replicating updates to the upstream spreadsheet.*
+
 ### Report sections
 * [[Completely Stable|Completely Stable]]
 * [[Stable|Stable]]