Bump version

content/ca-archive.html

@@ -24,7 +24,7 @@
         <div id="masthead">
           <h1 class="site-title">
             <a href="caa:">
-              <img alt="Firefox" src="chrome://ca-archive/skin/logo.png">Classic Add-ons Archive <font size="1">(2018.09)</font></a>
+              <img alt="Firefox" src="chrome://ca-archive/skin/logo.png">Classic Add-ons Archive <font size="1">(2004-2018)</font></a>
           </h1>
 
           <nav id="site-nav" class="menu-nav c">