diff --git a/specification/bk_main.xml b/specification/bk_main.xml
index 7b29096..aa60927 100644
--- a/specification/bk_main.xml
+++ b/specification/bk_main.xml
@@ -37,7 +37,7 @@
     </author>
     <copyright>
       <!-- TODO: Keep second year accurate for latest publish -->
-      <year>2014,2016</year>
+      <year>2014-2017</year>
       <holder>OpenPOWER Foundation</holder>
     </copyright>
     <copyright>