Add a fullstop at the end of a sentence

diff --git a/xudo.sh b/xudo.sh
index 981bcfd..17e54ed 100755 (executable)
--- a/xudo.sh
+++ b/xudo.sh
@@ -70,7 +70,7 @@ id $USERNAME > /dev/null || { echo "Invalid user." 1>&2; exit 1; }
 
 [ "x$@" != "x" ] || { usage 1>&2; exit 1; }
 
-# Authorize the user
+# Authorize the user.
 xauth extract - $DISPLAY | sudo -u "$USERNAME" xauth merge -
 
 # Execute the command.