Fix invalid portmaster command

[root@apnoea /usr/ports/BUILD/head] portmaster -r devel/py-setuptools

===>>> The argument to -r must be a package name, or a glob pattern
===>>> Aborting update

===>>> Killing background jobs
Terminated
===>>> Exiting

1 files changed, 1 insertions, 1 deletions

diff --git a/UPDATING b/UPDATING
index ada53d2d166b..23d255707db2 100644
--- a/UPDATING
+++ b/UPDATING
@@ -32,7 +32,7 @@ you update your ports collection, before attempting any port upgrades.
   portmaster users:
 
   # portmaster -o devel/py-setuptoolsXX devel/py-setuptools
-  # portmaster -r devel/py-setuptools
+  # portmaster -r py\*setuptools
 
   portupgrade users: