diff --git a/scripts/install.sh b/scripts/install.sh
old mode 100755
new mode 100644
index 02a63a2..716f7fc
--- a/scripts/install.sh
+++ b/scripts/install.sh
@@ -33,6 +33,7 @@ fi
 # Enter Firefox profile folder.
 if ! cd $PROFILEFOLDER ; then
 	echo "Error entering profile folder."
+	echo "Try using -p flag to specify a custom profile name."
 	exit 1
 fi