Changing warning message

configure

@@ -1,13 +1,15 @@
 #!/bin/bash
-#shopt -s extglob # For REGEXP
 
-[[ $PWD == /home/$USER/dotfiles ]] || \
-  echo "!!! WE'RE NOT IN >>>/home/$USER/dotfile/<<< !!!"
+# This scripts installs user configuration by linking it in your home
+# directory. It goes a little further when needed.
+
+[[ $PWD == /home/$USER/dotfiles ]] ||
+    echo "!!! WE'RE NOT IN >>>/home/$USER/dotfile/<<< !!!"
 
 if [[ -z $1 ]]
 then
-  echo "Usage: $0 <program name>                                               "
-  echo ""
+  echo "Usage: $(basename $0) <program name>                                   "
+  echo "                                                                       "
   echo "Give a program name and it will install its configuration. There are   "
   echo "available configurations for:                                          "
   ls -d ~/dotfiles/*/
@@ -26,4 +28,3 @@ case $1 in
     exit 1
     ;;
 esac
-