diff --git a/.vscode/settings.json b/.vscode/settings.json
index a28f075..f377809 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -6,6 +6,7 @@
     "DDTHH",
     "isnull",
     "markdoc",
+    "notnull",
     "Onpsring",
     "prismjs"
   ]