Fix typos detected by Frank Wang

Change-Id: I86b2e302569eff89d7051321a4531c7e0dc242f9
diff --git a/protocols/bgp/ctl/src/main/java/org/onosproject/bgp/controller/impl/BgpKeepAliveTimer.java b/protocols/bgp/ctl/src/main/java/org/onosproject/bgp/controller/impl/BgpKeepAliveTimer.java
index 23c8f35..919e9af 100644
--- a/protocols/bgp/ctl/src/main/java/org/onosproject/bgp/controller/impl/BgpKeepAliveTimer.java
+++ b/protocols/bgp/ctl/src/main/java/org/onosproject/bgp/controller/impl/BgpKeepAliveTimer.java
@@ -65,7 +65,7 @@
                 handler.sendKeepAliveMessage();
                 handler.getBgpPacketStats().addOutPacket();
             } catch (Exception e) {
-                log.info("Exception occured while sending keepAlive message" + e.toString());
+                log.info("Exception occurred while sending keepAlive message" + e.toString());
             }
         }
     }