diff --git a/mlir/docs/Dialects/Standard.md b/mlir/docs/Dialects/Standard.md
--- a/mlir/docs/Dialects/Standard.md
+++ b/mlir/docs/Dialects/Standard.md
@@ -5,6 +5,9 @@
 Note: This dialect is a collection of operations for several different concepts,
 and should be split into multiple more-focused dialects accordingly.
 
+**Please post an RFC on the [forum](https://llvm.discourse.group/c/mlir/31)
+before adding or changing any operation in this dialect.**
+
 [TOC]
 
 ## Operations