docs: Add news item for 18.1.6
diff --git a/docs/index.html b/docs/index.html
index f0a153a..cfe060c 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -16,6 +16,12 @@
 
 <h1>News</h1>
 
+<h2>August 13, 2018</h2>
+<p>
+<a href="relnotes/18.1.6.html">Mesa 18.1.6</a> is released.
+This is a bug-fix release.
+</p>
+
 <h2>July 27, 2018</h2>
 <p>
 <a href="relnotes/18.1.5.html">Mesa 18.1.5</a> is released.