diff --git a/readme.md b/readme.md
index 25d1688..fa86c30 100644
--- a/readme.md
+++ b/readme.md
@@ -51,4 +51,7 @@ Root
 --srccomment
     alias: -s
     include src file path comments in the output files, i.e. // scripts/example/main.ts
+--help
+    alias: -h
+    show this help message
 ```