[release-notes/gnome-3-22] Karlsruhe is 3.22 not 3.20

[Piotr Drąg <piotrdrag src gnome org>]

commit fdfcb2f85803b3e4832a9dc91f7390d8e316d4e0
Author: Jeremy Bicha <jbicha ubuntu com>
Date:   Sun Sep 11 17:07:48 2016 +0200

    Karlsruhe is 3.22 not 3.20

 help/C/index.page |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/help/C/index.page b/help/C/index.page
index 5de4941..63b9e6c 100644
--- a/help/C/index.page
+++ b/help/C/index.page
@@ -32,7 +32,7 @@
   release incorporates &gitcommits; changes, made by approximately &gitauthors;
   contributors.</p>
 
-  <p>3.20 has been named “Karlsruhe” in recognition of this year’s GUADEC
+  <p>&gnomeversion; has been named “Karlsruhe” in recognition of this year’s GUADEC
   organizing team. <link href="http://guadec.org/";>GUADEC</link> is GNOME’s
   primary conference, which is held in Europe each year, and is only possible
   due to the amazing work of local volunteers.</p>