diff --git a/akka.net/src/benchmark/PingPong/Program.cs b/akka.net/src/benchmark/PingPong/Program.cs
index 01c0d4b37f868cc7b94c1af4bc89eccaea54e93e..306b07cdc2ff3b3b1df858e81d277773072bab08 100644
--- a/akka.net/src/benchmark/PingPong/Program.cs
+++ b/akka.net/src/benchmark/PingPong/Program.cs
@@ -1,4 +1,4 @@
-//-----------------------------------------------------------------------
+//-----------------------------------------------------------------------
 // <copyright file="Program.cs" company="Akka.NET Project">
 //     Copyright (C) 2009-2015 Typesafe Inc. <http://www.typesafe.com>
 //     Copyright (C) 2013-2015 Akka.NET project <https://github.com/akkadotnet/akka.net>
@@ -149,11 +149,11 @@ namespace PingPong
             yield return 5;
             yield return 10;
             yield return 15;
-            for(int i = 20; i < 100; i += 10)
+            for(int i = 20; i < 100; i =+ 10)
             {
                 yield return i;
             }
-            for(int i = 100; i < 1000; i += 100)
+            for(int i = 100; i < 1000; i = + 100)
             {
                 yield return i;
             }
diff --git a/akka.net/src/contrib/cluster/Akka.Cluster.Tools/PublishSubscribe/DistributedPubSubMediator.cs b/akka.net/src/contrib/cluster/Akka.Cluster.Tools/PublishSubscribe/DistributedPubSubMediator.cs
index cabc2647e25b6fb931bccbd5f3ddaabd967f9d8e..dd56f33c57629827714a1ba9341bd27ad266829d 100644
--- a/akka.net/src/contrib/cluster/Akka.Cluster.Tools/PublishSubscribe/DistributedPubSubMediator.cs
+++ b/akka.net/src/contrib/cluster/Akka.Cluster.Tools/PublishSubscribe/DistributedPubSubMediator.cs
@@ -1,4 +1,4 @@
-//-----------------------------------------------------------------------
+//-----------------------------------------------------------------------
 // <copyright file="DistributedPubSubMediator.cs" company="Akka.NET Project">
 //     Copyright (C) 2009-2015 Typesafe Inc. <http://www.typesafe.com>
 //     Copyright (C) 2013-2015 Akka.NET project <https://github.com/akkadotnet/akka.net>
@@ -369,7 +369,7 @@ namespace Akka.Cluster.Tools.PublishSubscribe
                         .Aggregate(ImmutableDictionary<string, ValueHolder>.Empty,
                             (current, kv) => current.SetItem(kv.Key, kv.Value));
 
-                    count += deltaContent.Count;
+                    count = + deltaContent.Count;
 
                     if (count <= _settings.MaxDeltaElements)
                         yield return new Bucket(bucket.Owner, bucket.Version, deltaContent);