diff --git a/errors/no-cache.md b/errors/no-cache.md
index a580397ef99bd..4697b81b6eb32 100644
--- a/errors/no-cache.md
+++ b/errors/no-cache.md
@@ -82,7 +82,7 @@ uses: actions/cache@v2
 with:
   path: ${{ github.workspace }}/.next/cache
   # Generate a new cache whenever packages or source files change.
-  key: ${{ runner.os }}-nextjs-${{ hashFiles('**/package-lock.json') }}-${{ hashFiles('**.[jt]sx?') }}
+  key: ${{ runner.os }}-nextjs-${{ hashFiles('**/package-lock.json') }}-${{ hashFiles('**.[jt]s', '**.[jt]sx') }}
   # If source files changed but packages didn't, rebuild from a prior cache.
   restore-keys: |
     ${{ runner.os }}-nextjs-${{ hashFiles('**/package-lock.json') }}-