diff --git a/README.md b/README.md
index e5dce29..71c6916 100644
--- a/README.md
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@@ -1 +1,3 @@
 # SharpIDE.Photino
+
+if using a preview .NET SDK, ensure that `DOTNET_ROLL_FORWARD_TO_PRERELEASE` is set to `1` as per https://github.com/godotengine/godot/issues/98334, otherwise it will blow up.
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