Update charter

Closes #1216

roadmap/charter-2020.html

@@ -76,7 +76,7 @@ <h1 id="title">DRAFT Spatial Data on the Web Working Group Charter</h1>
       Working Group</a> is to:</p>
       <ul>
 	<li>develop and maintain vocabularies and best practices that encourage better sharing of spatial data on the Web;</li>
-<li>identify areas where standards should be developed <strong>jointly</strong> by both W3C and OGC.</li></ul>
+<li>identify areas where standards should be developed <strong>jointly</strong> by both W3C and the <a href="https://www.ogc.org">Open Geospatial Consortium</a> (OGC).</li></ul>
 
       <div class="noprint">
         <p class="join"><a