one more tweak, r=caillon

caps/README.html

@@ -39,7 +39,7 @@ capability-based web page security management<p>
 </h1>
 <span CLASS=LXRLONGDESC>
 caps contains C++ interfaces and code for determining the capabilities
-of content based on the security settings and certificates (e.g. Verisign).
+of content based on the security settings or certificates (e.g. Verisign).
 </span>
 </body>
 </html>