diff --git a/README.org b/README.org
index cc6003e..d4f7b39 100644
--- a/README.org
+++ b/README.org
@@ -59,19 +59,19 @@
   Set color profiles of your Razer devices.
 
   positional arguments:
-    COMMAND               One of the following:
-                            list-devices   - list devices (default)
-                            list-lightmaps - list lightmaps
+    COMMAND               one of the following:
+                            list-devices   - list available devices
+                            list-lightmaps - list available lightmaps
                             list-profiles  - list available profiles
-                            iterate-lights - iterate lights of all devices
+                            iterate-lights - iterate though all lights of all devices
                             <PROFILE>      - apply the given profile
 
   optional arguments:
     -h, --help            show this help message and exit
     -ld LIGHTMAP_DIRECTORY, --lightmap-directory LIGHTMAP_DIRECTORY
-                          Path to directory with lightmaps (default: ~/.config/rzr/lightmaps)
+                          path to directory with lightmaps (default: ~/.config/rzr/lightmaps)
     -pd PROFILE_DIRECTORY, --profile-directory PROFILE_DIRECTORY
-                          Path to directory with profiles (default: ~/.config/rzr/profiles)
+                          path to directory with profiles (default: ~/.config/rzr/profiles)
 #+end_src
  
 ** Configuration
diff --git a/bin/rzr b/bin/rzr
index 1c3f7ed..a25ea54 100644
--- a/bin/rzr
+++ b/bin/rzr
@@ -198,8 +198,8 @@ if __name__ == "__main__":
         "command",
         metavar="COMMAND",
         nargs="?",
-        default="list-devices",
-        help="one of the following:\n  list-devices   - list available devices (default)\n  list-lightmaps - list available lightmaps\n  list-profiles  - list available profiles\n  iterate-lights - iterate though all lights of all devices\n  <PROFILE>      - apply the given profile",
+        default=None,
+        help="one of the following:\n  list-devices   - list available devices\n  list-lightmaps - list available lightmaps\n  list-profiles  - list available profiles\n  iterate-lights - iterate though all lights of all devices\n  <PROFILE>      - apply the given profile",
     )
     parser.add_argument(
         "-ld",
@@ -215,6 +215,10 @@ if __name__ == "__main__":
     )
     args = parser.parse_args()
 
+    if not args.command:
+        parser.print_help()
+        exit(0)
+
     # Check if directories exist
     directories_available = True
     lightmap_directory = args.lightmap_directory