diff --git a/.github/copilot-instructions.md b/.github/copilot-instructions.md
new file mode 100644
index 000000000000..6621d59b7c23
--- /dev/null
+++ b/.github/copilot-instructions.md
@@ -0,0 +1,4 @@
+When reviewing code:
+* do not review changes in files with `.expected` extension (they are automatically ensured to be correct).
+* in `.ql` and `.qll` files, do not try to review the code itself as you don't understand the programming language
+  well enough to make comments in these languages. You can still check for typos or comment improvements.