--- a/mercurial/phases.py	Thu Oct 17 16:13:15 2013 +0800
+++ b/mercurial/phases.py	Thu Oct 24 01:49:56 2013 +0800
@@ -267,12 +267,12 @@
         if filtered:
             self.dirty = True
         # filterunknown is called by repo.destroyed, we may have no changes in
-        # root but phaserevs contents is certainly invalide (or at least we
-        # have not proper way to check that. related to issue 3858.
+        # root but phaserevs contents is certainly invalid (or at least we
+        # have not proper way to check that). related to issue 3858.
         #
         # The other caller is __init__ that have no _phaserevs initialized
         # anyway. If this change we should consider adding a dedicated
-        # "destroyed" function to phasecache or a proper cache key mechanisme
+        # "destroyed" function to phasecache or a proper cache key mechanism
         # (see branchmap one)
         self._phaserevs = None