krb5 commit: Use en dash instead of hyphen

[Benjamin Kaduk]

https://github.com/krb5/krb5/commit/22288fd3933830eaa76a8f9b0d1432d072a1fac3
commit 22288fd3933830eaa76a8f9b0d1432d072a1fac3
Author: Ben Kaduk <kaduk at mit.edu>
Date:   Tue Nov 20 12:47:12 2012 -0500

    Use en dash instead of hyphen
    
    It should not be bracketed in whitespace.
    
    ticket: 7447
    tags: pullup
    target_version: 1.11

 doc/mitK5features.rst |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/doc/mitK5features.rst b/doc/mitK5features.rst
index 97e031b..d168f43 100644
--- a/doc/mitK5features.rst
+++ b/doc/mitK5features.rst
@@ -15,7 +15,7 @@ Quick facts
     License                                  :ref:`mitK5license`
     Latest stable  version                                               http://web.mit.edu/kerberos/krb5-1.10/
     Supported versions                                                   http://web.mit.edu/kerberos/krb5-1.9/
-    Release cycle                            9 - 12 months
+    Release cycle                            9--12 months
     Supported platforms \/ OS distributions  Windows (KfW 4.0)
                                               - Windows 7
                                               - Vista