diff --git a/main.cpp b/main.cpp
index 3a85d94..721f742 100644
--- a/main.cpp
+++ b/main.cpp
@@ -94,6 +94,7 @@ int main(int argc, char *argv[]) {
 
     // TODO:
     // add some additional parameters
+    // --dry-run
     // -d: only update device-controller firmware
     // -j: only update json-files
     // -o: only execute opkg-commnds