fix typo

Author: Byungwoo <bulee@whatap.io>

Reviewers: maoling, hanm

Closes #1430 from comelf/master

zookeeper-server/src/main/java/org/apache/zookeeper/server/quorum/FastLeaderElection.java

@@ -568,7 +568,7 @@ public class FastLeaderElection implements Election {
     long proposedEpoch;
 
     /**
-     * Returns the current vlue of the logical clock counter
+     * Returns the current value of the logical clock counter
      */
     public long getLogicalClock() {
         return logicalclock.get();
@@ -1088,7 +1088,7 @@ public class FastLeaderElection implements Election {
                         }
                         break;
                     default:
-                        LOG.warn("Notification state unrecoginized: {} (n.state), {}(n.sid)", n.state, n.sid);
+                        LOG.warn("Notification state unrecognized: {} (n.state), {}(n.sid)", n.state, n.sid);
                         break;
                     }
                 } else {