HDFS-11250. Fix a typo in ReplicaUnderRecovery#setRecoveryID. Contributed by Yiqun Lin.

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/ReplicaUnderRecovery.java

@@ -65,7 +65,7 @@ public class ReplicaUnderRecovery extends LocalReplica {
     if (recoveryId > this.recoveryId) {
       this.recoveryId = recoveryId;
     } else {
-      throw new IllegalArgumentException("The new rcovery id: " + recoveryId
+      throw new IllegalArgumentException("The new recovery id: " + recoveryId
           + " must be greater than the current one: " + this.recoveryId);
     }
   }