diff --git a/web/public/src/index.ts b/web/public/src/index.ts
index a5d9cd4..11e8227 100644
--- a/web/public/src/index.ts
+++ b/web/public/src/index.ts
@@ -154,6 +154,7 @@ function syntaxHighlight(code: string): string {
             "or",
             "and",
             "not",
+            "loop",
             "while",
             "for",
             "in",