Fix typos detected by Frank Wang

Change-Id: I86b2e302569eff89d7051321a4531c7e0dc242f9
diff --git a/apps/learning-switch/src/main/java/org/onosproject/learningswitch/LearningSwitchTutorial.java b/apps/learning-switch/src/main/java/org/onosproject/learningswitch/LearningSwitchTutorial.java
index b0daa95..3a9c8b7 100644
--- a/apps/learning-switch/src/main/java/org/onosproject/learningswitch/LearningSwitchTutorial.java
+++ b/apps/learning-switch/src/main/java/org/onosproject/learningswitch/LearningSwitchTutorial.java
@@ -106,7 +106,7 @@
      * send the packet out the port previously learned for the destination MAC.  If it does not exist,
      * flood the packet out (to all ports).
      */
-    private class SwitchPacketProcesser implements PacketProcessor {
+    private class SwitchPacketProcessor implements PacketProcessor {
         /**
          * Learns the source port associated with the packet's DeviceId if it has not already been learned.
          * Calls actLikeSwitch to process and send the packet.