change help message format

wordle

@@ -175,8 +175,10 @@ function set_options() {
         DELAY=0
         ;;
       h)
-        echo -e "Usage: <program_name> [OPTIONS]
+        echo -e \
+"Usage: <program_name> [OPTIONS]
 Play a game for Wordle
+
 Options:
   -b        Toggle borderless mode
   -w        Set target word