diff --git a/src/mu-config.c b/src/mu-config.c
index 55f42598..ad99f672 100644
--- a/src/mu-config.c
+++ b/src/mu-config.c
@@ -222,8 +222,8 @@ config_options_group_extract (MuConfigOptions *opts)
 		 "save all attachments", NULL},
 		{"save-all", 0, 0, G_OPTION_ARG_NONE, &opts->save_all,
 		 "save all parts (incl. non-attachments)", NULL},
-		{"parts <numbers>", 0, 0, G_OPTION_ARG_STRING, &opts->parts,
-		 "save specific parts", NULL},
+		{"parts", 0, 0, G_OPTION_ARG_STRING, &opts->parts,
+		 "save specific parts (comma-separated list)", NULL},
 		{"target-dir", 0, 0, G_OPTION_ARG_FILENAME, &opts->targetdir,
 		 "target directory for saving", NULL},
 		{"overwrite", 0, 0, G_OPTION_ARG_NONE, &opts->overwrite,