diff --git a/app/helpers/pool_versions_helper.rb b/app/helpers/pool_versions_helper.rb
index ce1971952..dfe665eb3 100644
--- a/app/helpers/pool_versions_helper.rb
+++ b/app/helpers/pool_versions_helper.rb
@@ -9,6 +9,6 @@ module PoolVersionsHelper
     added = current.post_id_array - prev.post_id_array
     removed = prev.post_id_array - current.post_id_array
 
-    (added.map {|x| '<ins><a href="/posts/' + x.to_s + '">' + x.to_s + '</a></ins>'}.join(" ") + removed.map {|x| '<del><a href="/posts/' + x.to_s + '">' + x.to_s + '</a></del>'}.join(" ")).html_safe
+    (added.map {|x| '<ins><a href="/posts/' + x.to_s + '">' + x.to_s + '</a></ins>'}.join(" ") + " " + removed.map {|x| '<del><a href="/posts/' + x.to_s + '">' + x.to_s + '</a></del>'}.join(" ")).html_safe
   end
 end