diff --git a/Intrinsics_Reference/bk_main.xml b/Intrinsics_Reference/bk_main.xml
index 99a2bd0..0c8dbcb 100644
--- a/Intrinsics_Reference/bk_main.xml
+++ b/Intrinsics_Reference/bk_main.xml
@@ -34,7 +34,7 @@
     <!-- TODO: Pick a Title for the new document -->
     <title>Power Vector Intrinsic Programming Reference</title>
     <!-- TODO: Either add a subtitle or remove the following line -->
-    <!-- subtitle></subtitle -->
+    <subtitle> </subtitle>
 
     <info>
     <author>