Fixed typo. The joy of having two active branches: twice and only twice.

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@268146 13f79535-47bb-0310-9956-ffa450edef68

docs/index.html

@@ -5558,7 +5558,7 @@ href="mailto:ant-dev-subscribe@jakarta.apache.org">ant-dev-subscribe@jakarta.apa
 href="http://archive.covalent.net/">http://archive.covalent.net/</a>. Many
 thanks to Covalent Technologies. Another archive can be found at <a
 href="http://marc.theaimsgroup.com">http://marc.theaimsgroup.com</a>. If
-you now of any additional archive sites, please report to the
+you know of any additional archive sites, please report to the
 lists.</p>
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 <p align="center">Copyright &copy; 2000 Apache Software Foundation. All rights