diff --git a/.github/instructions.md b/.github/instructions.md
index 8d7d154cc..784882c81 100644
--- a/.github/instructions.md
+++ b/.github/instructions.md
@@ -1,4 +1,8 @@
-When performing a code review, please check each file has a license header
+When performing a code review, check that:
+- No unit tests were eliminated without a strong reason.
+- Additional dependencies introduced have a strong justification.
+- Changes are not likely to increase build times.
+- Each file has a license header.
 ```
 /*
  * Copyright (c) Microsoft Corporation.