diff --git a/src/tools/Tools.nml b/src/tools/Tools.nml
index 7e11e7ef..fd6f1e0d 100644
--- a/src/tools/Tools.nml
+++ b/src/tools/Tools.nml
@@ -38,11 +38,14 @@ try {
 			WebServer.init();
 			throw Done
 		}) , " : start a neko web server");
+		("boot", Args.String (function(_) {
+			// separated from boot -c only for help message
+		}) , "<file.n> : build a standalone executable");
 		("boot", Args.String (function(_) {
 			erase_argument();
 			neko "$loader.loadmodule('tools/nekoboot',$loader)";
 			throw Done;
-		}) , "<file.n> : build an standalone executable");
+		}) , "-c <file.n> : build a standalone c program");
 	];
 	Args.parse head decl invalid_arg;
 } catch {