Fix sitedocs footer

* add missing whitespace before link
* use named entity
* remove double colon

Change-Id: I4447bdd04b5e501752a67fc46f2831b1eff1e257
Signed-off-by: Michael Keppler <Michael.Keppler@gmx.de>
diff --git a/sitedocs/project-info.html b/sitedocs/project-info.html
index 1dfb257..415f49b 100644
--- a/sitedocs/project-info.html
+++ b/sitedocs/project-info.html
@@ -96,8 +96,7 @@
     <footer>
       <div class="container-fluid">
         <div class="row-fluid">
-            <p>Copyright &#169;      2008&#x2013;2020<a href="http://www.eclipse.org/">Eclipse Foundation</a>.
-.</p>
+            <p>Copyright &#169; 2008&ndash;2020 <a href="http://www.eclipse.org/">Eclipse Foundation</a>.</p>
         </div>
       </div>
     </footer>