krb5 commit: Correct a typo in database documentation

[Greg Hudson]

https://github.com/krb5/krb5/commit/30b67722091306088f540c4697d6d63e0ac50ef3
commit 30b67722091306088f540c4697d6d63e0ac50ef3
Author: Дилян Палаузов <git-dpa at aegee.org>
Date:   Sun Sep 22 11:58:44 2019 +0000

    Correct a typo in database documentation

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

diff --git a/doc/admin/database.rst b/doc/admin/database.rst
index 0eb5ccd..4b39b4d 100644
--- a/doc/admin/database.rst
+++ b/doc/admin/database.rst
@@ -761,7 +761,7 @@ in the krbtgt keys is used by default to determine the session key
 types supported by the krbtgt service (see
 :ref:`session_key_selection`).  Because non-MIT Kerberos clients
 sometimes send a limited set of encryption types when making AS
-requests, it can be important to for the krbtgt service to support
+requests, it can be important for the krbtgt service to support
 multiple encryption types.  This can be accomplished by giving the
 krbtgt principal multiple keys, which is usually as simple as not
 specifying any **-e** option when changing the krbtgt key, or by