diff --git a/appendices/about.xml b/appendices/about.xml
index 2f9a16a25a..51f57a0167 100644
--- a/appendices/about.xml
+++ b/appendices/about.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.8 $ -->
+<!-- $Revision: 1.9 $ -->
 
 <!--
   TODO: add manual conventions section (eg. how to read
@@ -104,7 +104,7 @@
    <para>
     The user-contributed notes are not moderated before they appear online, so
     the quality of the writing or code examples, and even the veracity of the
-    contribution, cannot be guaranteed. (Not that there is no guarantee of
+    contribution, cannot be guaranteed. (Not that there is any guarantee of
     the quality or accuracy of the manual text itself.)
    </para>
   </note>