diff --git a/help/C/index.docbook b/help/C/index.docbook
index 8bfb89a..3f98cc3 100644
--- a/help/C/index.docbook
+++ b/help/C/index.docbook
@@ -708,8 +708,8 @@ An endgame scenario in which all pawns have been captured, and one side has only
    url="http://www.fsf.org">their Web site</ulink> or by writing to
    <address>
     Free Software Foundation, Inc.
-    <street>59 Temple Place</street> - Suite 330
-    <city>Boston</city>, <state>MA</state> <postcode>02111-1307</postcode>
+    <street>51 Franklin Street</street> - Fifth Floor
+    <city>Boston</city>, <state>MA</state> <postcode>02110-1335</postcode>
     <country>USA</country>
    </address>
   </para>