Consistency.

config/chroot_local-hooks/98-remove_unwanted_packages

@@ -58,7 +58,7 @@ apt-get --yes purge  \
 packages_to_purge=""
 
 ### Remove packages that can get a different priority in the security
-### archive (see https://bugs.debian.org/867668):
+### archive (see https://bugs.debian.org/867668).
 for package in mutt rpcbind tcpd ; do
     if is_package_installed "$package"; then
         packages_to_purge="${packages_to_purge} ${package}"