krb5 commit [krb5-1.11]: Fix a typo in pkinit.rst

[Tom Yu]

https://github.com/krb5/krb5/commit/aa5dac698c12e947fd7f53ed8daa49082bf8f966
commit aa5dac698c12e947fd7f53ed8daa49082bf8f966
Author: Greg Hudson <ghudson at mit.edu>
Date:   Fri Nov 2 10:53:15 2012 -0400

    Fix a typo in pkinit.rst
    
    (cherry picked from commit 231c4433f24470533a79cdd1743837b976970aee)
    
    ticket: 7436
    status: resolved

 doc/admins/pkinit.rst |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/doc/admins/pkinit.rst b/doc/admins/pkinit.rst
index fbf413a..84331b1 100644
--- a/doc/admins/pkinit.rst
+++ b/doc/admins/pkinit.rst
@@ -88,7 +88,7 @@ Generating client certificates
 
 PKINIT client certificates also must have some unusual certificate
 fields.  To generate a client certificate with OpenSSL, you will need
-a extensions file (different from the KDC extensions file above)
+an extensions file (different from the KDC extensions file above)
 containing::
 
     [client_cert]