HDFS-16656. Fixed some incorrect descriptions in SPS.

hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml

@@ -5453,8 +5453,6 @@
 </property>
 
 <property>
-  <name>dfs.storage.policy.satisfier.enabled</name>
-  <value>false</value>
   <name>dfs.storage.policy.satisfier.mode</name>
   <value>none</value>
   <description>

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

@@ -96,7 +96,7 @@ The effective storage policy can be retrieved by the "[`storagepolicies -getStor
 * **dfs.datanode.data.dir** - on each data node, the comma-separated storage locations should be tagged with their storage types. This allows storage policies to place the blocks on different storage types according to policy. For example:
 
     1.  A datanode storage location /grid/dn/disk0 on DISK should be configured with `[DISK]file:///grid/dn/disk0`
-    2.  A datanode storage location /grid/dn/ssd0 on SSD can should configured with `[SSD]file:///grid/dn/ssd0`
+    2.  A datanode storage location /grid/dn/ssd0 on SSD should be configured with `[SSD]file:///grid/dn/ssd0`
     3.  A datanode storage location /grid/dn/archive0 on ARCHIVE should be configured with `[ARCHIVE]file:///grid/dn/archive0`
     4.  A datanode storage location /grid/dn/ram0 on RAM_DISK should be configured with `[RAM_DISK]file:///grid/dn/ram0`
     5.  A datanode storage location /grid/dn/nvdimm0 on NVDIMM should be configured with `[NVDIMM]file:///grid/dn/nvdimm0`
@@ -121,7 +121,7 @@ SPS can be enabled as an external service outside Namenode or disabled dynamical
 
 Detailed design documentation can be found at [Storage Policy Satisfier(SPS) (HDFS-10285)](https://issues.apache.org/jira/browse/HDFS-10285)
 
-* **Note**: When user invokes `satisfyStoragePolicy()` API on a directory, SPS will scan all sub-directories and consider all the files for satisfy the policy..
+* **Note**: When user invokes `satisfyStoragePolicy()` API on a directory, SPS will scan all sub-directories and consider all the files for satisfy the policy.
 
 * HdfsAdmin API :
         `public void satisfyStoragePolicy(final Path path) throws IOException`