diff --git a/hadoop-yarn-project/CHANGES.txt b/hadoop-yarn-project/CHANGES.txt
index 1528cba6239..72e8a1e2447 100644
--- a/hadoop-yarn-project/CHANGES.txt
+++ b/hadoop-yarn-project/CHANGES.txt
@@ -255,6 +255,8 @@ Release 2.6.0 - UNRELEASED
     is not automatically added when hadoop.http.filter.initializers is not
     configured. (Varun Vasudev via zjshen)
 
+    YARN-2450. Fix typos in log messages. (Ray Chiang via hitesh)
+
 Release 2.5.1 - UNRELEASED
 
   INCOMPATIBLE CHANGES
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/src/main/java/org/apache/hadoop/yarn/applications/distributedshell/ApplicationMaster.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/src/main/java/org/apache/hadoop/yarn/applications/distributedshell/ApplicationMaster.java
index 4a842458691..2451030af2c 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/src/main/java/org/apache/hadoop/yarn/applications/distributedshell/ApplicationMaster.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/src/main/java/org/apache/hadoop/yarn/applications/distributedshell/ApplicationMaster.java
@@ -519,7 +519,7 @@ public class ApplicationMaster {
       publishApplicationAttemptEvent(timelineClient, appAttemptID.toString(),
           DSEvent.DS_APP_ATTEMPT_START);
     } catch (Exception e) {
-      LOG.error("App Attempt start event coud not be pulished for "
+      LOG.error("App Attempt start event could not be published for "
           + appAttemptID.toString(), e);
     }
 
@@ -616,7 +616,7 @@ public class ApplicationMaster {
       publishApplicationAttemptEvent(timelineClient, appAttemptID.toString(),
           DSEvent.DS_APP_ATTEMPT_END);
     } catch (Exception e) {
-      LOG.error("App Attempt start event coud not be pulished for "
+      LOG.error("App Attempt start event could not be published for "
           + appAttemptID.toString(), e);
     }
   }
@@ -726,7 +726,7 @@ public class ApplicationMaster {
         try {
           publishContainerEndEvent(timelineClient, containerStatus);
         } catch (Exception e) {
-          LOG.error("Container start event could not be pulished for "
+          LOG.error("Container start event could not be published for "
               + containerStatus.getContainerId().toString(), e);
         }
       }
@@ -847,7 +847,7 @@ public class ApplicationMaster {
         ApplicationMaster.publishContainerStartEvent(
             applicationMaster.timelineClient, container);
       } catch (Exception e) {
-        LOG.error("Container start event coud not be pulished for "
+        LOG.error("Container start event could not be published for "
             + container.getId().toString(), e);
       }
     }
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/src/main/java/org/apache/hadoop/yarn/applications/distributedshell/Client.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/src/main/java/org/apache/hadoop/yarn/applications/distributedshell/Client.java
index 05fd883be93..a86b52132eb 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/src/main/java/org/apache/hadoop/yarn/applications/distributedshell/Client.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/src/main/java/org/apache/hadoop/yarn/applications/distributedshell/Client.java
@@ -197,7 +197,7 @@ public class Client {
       }
       result = client.run();
     } catch (Throwable t) {
-      LOG.fatal("Error running CLient", t);
+      LOG.fatal("Error running Client", t);
       System.exit(1);
     }
     if (result) {
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/localizer/ResourceLocalizationService.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/localizer/ResourceLocalizationService.java
index 64a0b37cc31..a092b59650b 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/localizer/ResourceLocalizationService.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/localizer/ResourceLocalizationService.java
@@ -801,7 +801,7 @@ public class ResourceLocalizationService extends CompositeService
             try {
               Path local = completed.get();
               if (null == assoc) {
-                LOG.error("Localized unkonwn resource to " + completed);
+                LOG.error("Localized unknown resource to " + completed);
                 // TODO delete
                 return;
               }
@@ -810,7 +810,7 @@ public class ResourceLocalizationService extends CompositeService
                 .getDU(new File(local.toUri()))));
               assoc.getResource().unlock();
             } catch (ExecutionException e) {
-              LOG.info("Failed to download rsrc " + assoc.getResource(),
+              LOG.info("Failed to download resource " + assoc.getResource(),
                   e.getCause());
               LocalResourceRequest req = assoc.getResource().getRequest();
               publicRsrc.handle(new ResourceFailedLocalizationEvent(req,
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/FileSystemRMStateStore.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/FileSystemRMStateStore.java
index 162b484e0f1..0a3b269c97a 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/FileSystemRMStateStore.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/FileSystemRMStateStore.java
@@ -300,7 +300,7 @@ public class FileSystemRMStateStore extends RMStateStore {
         assert appState != null;
         appState.attempts.put(attemptState.getAttemptId(), attemptState);
       }
-      LOG.info("Done Loading applications from FS state store");
+      LOG.info("Done loading applications from FS state store");
     } catch (Exception e) {
       LOG.error("Failed to load state.", e);
       throw e;
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.java
index b3100d1ac32..1b1ec7629b1 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.java
@@ -608,7 +608,7 @@ public class ZKRMStateStore extends RMStateStore {
         appState.attempts.put(attemptState.getAttemptId(), attemptState);
       }
     }
-    LOG.debug("Done Loading applications from ZK state store");
+    LOG.debug("Done loading applications from ZK state store");
   }
 
   @Override
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/security/DelegationTokenRenewer.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/security/DelegationTokenRenewer.java
index bdcfd0460ef..e0c32247dfa 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/security/DelegationTokenRenewer.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/security/DelegationTokenRenewer.java
@@ -289,7 +289,7 @@ public class DelegationTokenRenewer extends AbstractService {
           tokenWithConf = queue.take();
           final TokenWithConf current = tokenWithConf;
           if (LOG.isDebugEnabled()) {
-            LOG.debug("Canceling token " + tokenWithConf.token.getService());
+            LOG.debug("Cancelling token " + tokenWithConf.token.getService());
           }
           // need to use doAs so that http can find the kerberos tgt
           UserGroupInformation.getLoginUser()