[p1] Added info about -h, -? and --help

1 files changed, 6 insertions, 1 deletions

diff --git a/csg b/csg
index be67a02..347757f 100755
--- a/csg
+++ b/csg
@@ -4,7 +4,12 @@
 ### Help message
 
 csg_help() {
-	echo 'Usage: csg <source_dir> <destination_dir> <title_format> [<scripts_dir>]
+	echo 'Usage: csg [-h | -? | --help]
+       csg <source_dir> <destination_dir> <title_format> [<scripts_dir>]
+
+Options:
+  -h, -?, --help    Print this help message (also available when given no
+                    arguments)
 
 Arguments:
   <source_dir>         Folder which contains source files