diff --git a/.github/sdk.instructions.md b/.github/sdk.instructions.md
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index 00000000..5138a444
--- /dev/null
+++ b/.github/sdk.instructions.md
@@ -0,0 +1,2 @@
+If schema.json has changed, verify that the SDK files in this folder have been regenerated by running `make build_sdks`.
+Otherwise, the files in this folder are auto-generated and should not be reviewed.