diff --git a/main.cpp b/main.cpp
index 1a3d12b..50ff00e 100644
--- a/main.cpp
+++ b/main.cpp
@@ -37,8 +37,9 @@ bool expired {true};
 bool should_run {true};
 
 void print_help() {
-    std::cout << "usage: screensaver [-h|--version]\n";
+    std::cout << "usage: screensaver [-h|-l|--version]\n";
     std::cout << "  -h, --help    show this help text and exit\n";
+    std::cout << "  -l, --list    show available screensaver modules and exit\n";
     std::cout << "  --version     show version number and exit\n";
 }