[system-administrators-guide/21] Set productnumber 21

[stephenw]

commit 0a7bb9c184bf8976b919807ce66a10b07839e5f8
Author: Stephen Wadeley <swadeley at redhat.com>
Date:   Wed Dec 10 15:47:53 2014 +0100

    Set productnumber 21

 en-US/Book_Info.xml |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/en-US/Book_Info.xml b/en-US/Book_Info.xml
index f9303e6..394cbfe 100644
--- a/en-US/Book_Info.xml
+++ b/en-US/Book_Info.xml
@@ -4,8 +4,8 @@
 <bookinfo>
   <title>System Administrator's Guide</title>
   <subtitle>Deployment, Configuration, and Administration of &MAJOROSVER;</subtitle>
-  <productname>Fedora Documentation</productname>
-  <productnumber></productnumber>
+  <productname>Fedora</productname>
+  <productnumber>21</productnumber>
   <edition>1.0</edition>
   <pubsnumber>0</pubsnumber>
   <abstract>