diff --git a/docs/source/guides/admin-guides/references/man1/mkflexnode.1.rst b/docs/source/guides/admin-guides/references/man1/mkflexnode.1.rst
index 853e34221..159d42042 100644
--- a/docs/source/guides/admin-guides/references/man1/mkflexnode.1.rst
+++ b/docs/source/guides/admin-guides/references/man1/mkflexnode.1.rst
@@ -23,7 +23,7 @@ SYNOPSIS
 
 \ **mkflexnode**\  [\ **-v**\  | \ **-**\ **-version**\ ]
 
-\ **mkflexnode**\  \ *noderange*\ 
+\ **mkflexnode**\  \ *noderange*\
 
 
 ***********
@@ -48,16 +48,16 @@ OPTIONS
 
 
 
-\ **-h | -**\ **-help**\ 
- 
+\ **-h | -**\ **-help**\
+
  Display the usage message.
- 
 
 
-\ **-v | -**\ **-version**\ 
- 
+
+\ **-v | -**\ **-version**\
+
  Display the version information.
- 
+
 
 
 
@@ -68,15 +68,15 @@ EXAMPLES
 
 
 1. Create a flexible node base on the xCAT node blade1.
- 
+
  The blade1 should belong to a complex, the \ *id*\  attribute should be set correctly and all the slots should be in \ **power off**\  state.
- 
- 
+
+
  .. code-block:: perl
- 
+
    mkflexnode blade1
- 
- 
+
+