[PATCH] update: do not use the term 'update' when mentioning reverting one file

[Adrian Buehlmann]

# HG changeset patch
# User Adrian Buehlmann <adrian at cadifra.com>
# Date 1308904304 -7200
# Branch stable
# Node ID d1788426c24da3851005a5606fef16fed64654e7
# Parent  b9faf94ee1969f41b89edfc4df809adad582ab4c
update: do not use the term 'update' when mentioning reverting one file

and give a more precise hint for how to revert such a file

I'm using the term 'revision' instead of 'changeset' in this change to be
consistent with the REV we use in the synopsis.

diff --git a/mercurial/commands.py b/mercurial/commands.py
--- a/mercurial/commands.py
+++ b/mercurial/commands.py
@@ -5072,8 +5072,8 @@
     Use null as the changeset to remove the working directory (like
     :hg:`clone -U`).
 
-    If you want to update just one file to an older changeset, use
-    :hg:`revert`.
+    If you want to revert just one file to an older revision, use
+    :hg:`revert [-r REV] NAME`.
 
     See :hg:`help dates` for a list of formats valid for -d/--date.