HADOOP-14208. Fix typo in the top page in branch-2.8

This closes #230

Signed-off-by: Akira Ajisaka <aajisaka@apache.org>

hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/ArchivalStorage.md

@@ -87,7 +87,7 @@ Note that the Lazy\_Persist policy is useful only for single replica blocks. For
 
 When a file or directory is created, its storage policy is *unspecified*. The storage policy can be specified using the "[`storagepolicies -setStoragePolicy`](#Set_Storage_Policy)" command. The effective storage policy of a file or directory is resolved by the following rules.
 
-1.  If the file or directory is specificed with a storage policy, return it.
+1.  If the file or directory is specified with a storage policy, return it.
 
 2.  For an unspecified file or directory, if it is the root directory, return the *default storage policy*. Otherwise, return its parent's effective storage policy.
 

hadoop-project/src/site/markdown/index.md.vm

@@ -79,7 +79,7 @@ Here is a short overview of the major features and improvements.
 
 *   MAPREDUCE
 
-    *   Allow node labels get specificed in submitting MR jobs
+    *   Allow node labels get specified in submitting MR jobs
 
     *   Add a new tool to combine aggregated logs into HAR files