Minor correction to admin/notes/bzr: *fourth* VCS, not third.

RCS -> CVS -> Bzr -> Git. And (as Stefan Monnier reports) "GNU Arch
was semi-officially used for a while between CVS and Bzr, tho not for
the main branch."

1 files changed, 2 insertions, 2 deletions

diff --git a/admin/notes/commits b/admin/notes/commits
index 6e2aabe5abc..f33c6905d4c 100644
--- a/admin/notes/commits
+++ b/admin/notes/commits
@@ -45,10 +45,10 @@ Date: 	 Tue, 31 Mar 2009 12:21:20 +0900
     for modern source-control systems with a global log, it's better to
     have something like "Regenerate configure".
 
-(4) (Added in 2014) In commit comments, and ChangLog files, it is best
+(4) (Added in 2014) In commit comments, and ChangeLog files, it is best
     to use ways of identifying revisions that are not dependent on a
     particular version control system.  (At time of writing Emacs is
-    about to move to its third VCS and another move in the future is
+    about to move to its fourth VCS and another move in the future is
     not impossible.)  An excellent way to identify commits is by
     quoting their summary line.  Another is with an action stamp - an
     RFC3339 date followed by ! followed by the committer's email - for