diff --git a/bin/update_sops.sh b/bin/update_sops.sh
index f79f749..cbaedd9 100755
--- a/bin/update_sops.sh
+++ b/bin/update_sops.sh
@@ -13,9 +13,15 @@ secrets_file_list=()
 while (( $# >= 1 ));do
   cur="${1}";
   case $cur in
+    # ARGS: print this help
+    -h|--help) echo "# ARGUMENTS:"; grep -A 1 '# ARGS:' "${BASH_SOURCE[0]}"; exit 0 ;;
+    # ARGS: dir containing gpg keyfiles
     -k|--key|--keyfiles) keyfiles_dir="${2}"; shift ;;
+    # ARGS: dir containing .sops.yaml (sops config file)
     -c|--config_dir) sops_config_dir="${2}"; shift ;;
+    # ARGS: [optional] [list] specify files containing sops-encrypted secrets
     -s|--secrets_file|-f|--file) secrets_file_list+=( "${2}" ); shift ;;
+    # ARGS: [optional] [list] specify files containing sops-encrypted secrets
     *) secrets_file_list+=( "${cur}" )
   esac
   shift;