diff --git a/docs/source/advanced/goconserver/index.rst b/docs/source/advanced/goconserver/index.rst
index 39f3ff2cc..50116e9ed 100644
--- a/docs/source/advanced/goconserver/index.rst
+++ b/docs/source/advanced/goconserver/index.rst
@@ -5,7 +5,6 @@ Go Conserver
 programming language. For more information, see https://github.com/xcat2/goconserver/
 
 .. toctree::
-
   :maxdepth: 2
 
   quickstart.rst
diff --git a/docs/source/advanced/restapi/restapi_setup/restapi_setup.rst b/docs/source/advanced/restapi/restapi_setup/restapi_setup.rst
index c8fcc0dfb..73b452a42 100644
--- a/docs/source/advanced/restapi/restapi_setup/restapi_setup.rst
+++ b/docs/source/advanced/restapi/restapi_setup/restapi_setup.rst
@@ -1,5 +1,5 @@
 Enable the HTTPS protocol for REST API
-=====================================
+======================================
 
 To improve the security between the REST API clients and server, enabling the secure transfer protocol (https) is the default configuration.
 
diff --git a/docs/source/guides/admin-guides/basic_concepts/xcat_db/regexp_db.rst b/docs/source/guides/admin-guides/basic_concepts/xcat_db/regexp_db.rst
index d1ff05af1..5d36de561 100644
--- a/docs/source/guides/admin-guides/basic_concepts/xcat_db/regexp_db.rst
+++ b/docs/source/guides/admin-guides/basic_concepts/xcat_db/regexp_db.rst
@@ -120,6 +120,7 @@ xCAT provides several functions that can simplify regular expressions.
   +-----------+-----------+-----------+-----------+
   | row2-col1 | row2-col2 | row2-col3 | row2-col4 |
   +-----------+-----------+-----------+-----------+
+
   To obtain the rack index, use ``|row(\d+)-col(\d+)|(dim2idx($1, 4, $2))|``.  This maps the racks to:
 
   +---+---+---+---+
@@ -127,6 +128,7 @@ xCAT provides several functions that can simplify regular expressions.
   +---+---+---+---+
   | 5 | 6 | 7 | 8 |
   +---+---+---+---+
+
   Note that the size of the highest dimension (2 rows) is not needed, and all values are one-indexed.
 
   If each rack contains 20 nodes, use ``|row(\d+)-col(\d+)-node(\d+)|(dim2idx($1, 4, $2, 20, $3)`` to determine a node index (useful for determining IP addresses).
diff --git a/docs/source/guides/admin-guides/manage_clusters/common/deployment/syncfile/syncfile_synclist_file.rst b/docs/source/guides/admin-guides/manage_clusters/common/deployment/syncfile/syncfile_synclist_file.rst
index 13e599054..23a8175b4 100644
--- a/docs/source/guides/admin-guides/manage_clusters/common/deployment/syncfile/syncfile_synclist_file.rst
+++ b/docs/source/guides/admin-guides/manage_clusters/common/deployment/syncfile/syncfile_synclist_file.rst
@@ -19,7 +19,7 @@ The path_of_src_file* should be the full path of the source file on the Manageme
 
 The path_of_dst_file* should be the full path of the destination file on target node. Please make sure path_of_dst_file* is not a existing directory on target node, otherwise, the file sync with ``updatenode -r /usr/bin/scp`` or ``xdcp -r /usr/bin/scp`` will fail.
 
-The path_of_dst_directory should be the full path of the destination directory. Please make sure *eth_of_dst_directory is not a existing file on target node, otherwise, the file sync with ``updatenode -r /usr/bin/scp`` or ``xdcp -r /usr/bin/scp`` will fail.
+The path_of_dst_directory should be the full path of the destination directory. Please make sure path_of_dst_directory is not a existing file on target node, otherwise, the file sync with ``updatenode -r /usr/bin/scp`` or ``xdcp -r /usr/bin/scp`` will fail.
 
 Since the synclist file is for common purpose, the target node need not be configured in it.
 
diff --git a/docs/source/guides/admin-guides/references/man1/piflash.1.rst b/docs/source/guides/admin-guides/references/man1/piflash.1.rst
index 1959a893e..887cab7c3 100644
--- a/docs/source/guides/admin-guides/references/man1/piflash.1.rst
+++ b/docs/source/guides/admin-guides/references/man1/piflash.1.rst
@@ -11,7 +11,7 @@ SYNOPSIS
 ********
 
 
-\ **piflash**\  <noderange> -**\ **-package <filename>
+\ **piflash**\  \ *noderange*\  -**\ **-package \ *filename*\ 
 
 
 ***********
diff --git a/xCAT-client/pods/man1/piflash.1.pod b/xCAT-client/pods/man1/piflash.1.pod
index 9d4752f5f..c689e024c 100644
--- a/xCAT-client/pods/man1/piflash.1.pod
+++ b/xCAT-client/pods/man1/piflash.1.pod
@@ -5,7 +5,7 @@ B<piflash> - Remotely applies firmware updates to servers.
 
 =head1 SYNOPSIS
 
-B<piflash> <noderange> --package <filename>
+B<piflash> I<noderange> --package I<filename>
 
 
 =head1 DESCRIPTION