diff --git a/hadoop-common-project/hadoop-common/CHANGES.txt b/hadoop-common-project/hadoop-common/CHANGES.txt
index 5c4def195f5..1f30b5bcafe 100644
--- a/hadoop-common-project/hadoop-common/CHANGES.txt
+++ b/hadoop-common-project/hadoop-common/CHANGES.txt
@@ -563,6 +563,9 @@ Release 2.8.0 - UNRELEASED
     HADOOP-12258. Need translate java.nio.file.NoSuchFileException to
     FileNotFoundException to avoid regression. (Zhihai Xu via cnauroth)
 
+    HADOOP-12322. typos in rpcmetrics.java. (Anu Engineer via
+    Arpit Agarwal)
+
 Release 2.7.2 - UNRELEASED
 
   INCOMPATIBLE CHANGES
diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/metrics/RpcMetrics.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/metrics/RpcMetrics.java
index e90e51674c8..bc9aa8946bd 100644
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/metrics/RpcMetrics.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/metrics/RpcMetrics.java
@@ -85,7 +85,7 @@ public class RpcMetrics {
   @Metric("Number of sent bytes") MutableCounterLong sentBytes;
   @Metric("Queue time") MutableRate rpcQueueTime;
   MutableQuantiles[] rpcQueueTimeMillisQuantiles;
-  @Metric("Processsing time") MutableRate rpcProcessingTime;
+  @Metric("Processing time") MutableRate rpcProcessingTime;
   MutableQuantiles[] rpcProcessingTimeMillisQuantiles;
   @Metric("Number of authentication failures")
   MutableCounterLong rpcAuthenticationFailures;
@@ -93,7 +93,7 @@ public class RpcMetrics {
   MutableCounterLong rpcAuthenticationSuccesses;
   @Metric("Number of authorization failures")
   MutableCounterLong rpcAuthorizationFailures;
-  @Metric("Number of authorization sucesses")
+  @Metric("Number of authorization successes")
   MutableCounterLong rpcAuthorizationSuccesses;
   @Metric("Number of client backoff requests")
   MutableCounterLong rpcClientBackoff;
@@ -108,7 +108,7 @@ public class RpcMetrics {
 
   // Public instrumentation methods that could be extracted to an
   // abstract class if we decide to do custom instrumentation classes a la
-  // JobTrackerInstrumenation. The methods with //@Override comment are
+  // JobTrackerInstrumentation. The methods with //@Override comment are
   // candidates for abstract methods in a abstract instrumentation class.
 
   /**