Contact info page: Fix area code in phone number.

Change-Id: Ic81e3bb2e7eab4e59198c43b0304589257a90e7a
diff --git a/src/main/resources/templates/benki/about/index.html b/src/main/resources/templates/benki/about/index.html
index f59ee2c..520644e 100644
--- a/src/main/resources/templates/benki/about/index.html
+++ b/src/main/resources/templates/benki/about/index.html
@@ -27,7 +27,7 @@
       81379 München<br/>
       <br/>
       E-Mail: <a href="mailto:admin@mulk.eu">admin@mulk.eu</a><br/>
-      Phone: <a href="tel:+49088568054002">+49-8856-8054002</a><br/>
+      Phone: <a href="tel:+4988568054002">+49-8856-8054002</a><br/>
       Fax: <a href="tel:+498920008761207">+49-89-20008761207</a><br/>
     </address>
   </section>