correct release notes link

Author: baronfel

fcs/docsrc/tools/templates/template.cshtml

@@ -49,7 +49,7 @@
             <li><a href="@Properties["project-nuget"]">Get Library via NuGet</a></li>
             <li><a href="@Properties["project-github"]">Source Code on GitHub</a></li>
             <li><a href="@Properties["project-github"]/blob/master/LICENSE">License</a></li>
-            <li><a href="@Properties["project-github"]/blob/master/RELEASE_NOTES.md">Release Notes</a></li>
+            <li><a href="@Properties["project-github"]/blob/master/fcs/RELEASE_NOTES.md">Release Notes</a></li>
 
             <li class="nav-header">Getting started</li>
             <li><a href="@Root/index.html">Home page</a></li>