diff --git a/.vscode/settings.json b/.vscode/settings.json
index c0012cb..65f2c6a 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -15,5 +15,6 @@
     "[php]": {
         // "editor.defaultFormatter": "bmewburn.vscode-intelephense-client"
         "editor.defaultFormatter": "wongjn.php-sniffer"
-    }
+    },
+    "cSpell.words": ["TIMESTAMPDIFF"]
 }