diff --git a/.vscode/cSpell.json b/.vscode/cSpell.json
index 70f821786..5d3e3524b 100644
--- a/.vscode/cSpell.json
+++ b/.vscode/cSpell.json
@@ -32,6 +32,8 @@
     ".devcontainer/**",
     "util/gnu-patches/**",
     "docs/src/release-notes/**",
+    "src/uu/*/benches/*.rs",
+    "src/uucore/src/lib/features/benchmark.rs",
   ],
 
   "enableGlobDot": true,