--- a/hgext/obsolete.py
+++ b/hgext/obsolete.py
@@ -35,11 +35,7 @@
 New commands
 ------------
 
-Note that rebased changesets are not marked obsolete rather than being stripped
-In this experimental extensions, this is done forcing the --keep option. Trying
-to use the --keep option of rebase with this extensionn this experimental
-extension will cause such a call to abort. Until better releasen please use
-graft command to rebase and copy changesets.
+Note that rebased changesets are now marked obsolete instead of being stripped.
 
 """
 
@@ -685,7 +681,7 @@
         return
 
     if not util.safehasattr(repo.opener, 'tryread'):
-        raise util.Abort('Obsolete extension require Mercurial 2.2 (or later)')
+        raise util.Abort('Obsolete extension requires Mercurial 2.2 (or later)')
     opush = repo.push
     o_updatebranchcache = repo.updatebranchcache