Fix grammar of an entry in the changelog.

diff --git a/doc/news/changes.h b/doc/news/changes.h
index 571f51156b47dd4a20a8d18980860f3a622f6103..bcb95e54c0d6f249560a99e9d2eafefce7499fb2 100644 (file)
--- a/doc/news/changes.h
+++ b/doc/news/changes.h
@@ -57,7 +57,8 @@ inconvenience this causes.
   (Denis Davydov, 2015/12/29).
   </li>
 
-  <li> Removed: The deprecated Operator class in the Algorithms namespace.
+  <li> Removed: The deprecated Operator class in the Algorithms namespace has been
+  removed.
   <br>
   (Timo Heister, 2015/12/21)
   </li>