documentation: Added February 2013 as release date for 1.3.1

I added this date as the release date for the five manuals
that have a manual history table.

(From yocto-docs rev: 5f107aab8bd2de0be78163eaf356656ddae4bf5f)

Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/documentation/dev-manual/dev-manual.xml b/documentation/dev-manual/dev-manual.xml
index 29b10513c5..9aeeb9807b 100644
--- a/documentation/dev-manual/dev-manual.xml
+++ b/documentation/dev-manual/dev-manual.xml
@@ -46,7 +46,7 @@
             </revision>
             <revision>
                 <revnumber>1.2.2</revnumber>
-                <date>Sometime in 2013</date>
+                <date>February 2013</date>
                 <revremark>Released with the Yocto Project 1.2.2 Release.</revremark>
             </revision>
         </revhistory>