YARN-10716. Fix typo in ContainerRuntime. Contributed by xishuhai.

(cherry picked from commit 8ad77a26c9f674e734e7f4c917ee2d51c77e527d)

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerRuntime.java

@@ -28,7 +28,7 @@ import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Cont
  * An abstraction for various container runtime implementations. Examples
  * include Process Tree, Docker, Appc runtimes etc. These implementations
  * are meant for low-level OS container support - dependencies on
- * higher-level node mananger constructs should be avoided.
+ * higher-level node manager constructs should be avoided.
  */
 
 @InterfaceAudience.Private