modified depending on comments

docs/source/advanced/probe/detect_dhcpd.rst

@@ -3,4 +3,3 @@ detect_dhcpd
 
 **detect_dhcp** can be used to detect the dhcp server in a network for a specific mac address.
 
-**TODO**

docs/source/advanced/probe/discovery.rst

@@ -3,4 +3,3 @@ discovery
 
 **discovery** can be used to probe the discovery process, including pre-check for required configuration and realtime monitor of discovery process.
 
-**TODO**

docs/source/advanced/probe/image.rst

@@ -1,4 +1,3 @@
 image
 =====
 
-**TODO**

docs/source/advanced/probe/index.rst

@@ -3,7 +3,7 @@ xCAT probe
 
 xCAT offers a new tool suite, which called **xCAT probe**, to help customer to probe all the possible issues in xCAT.
 
-You can use ``xcatprobe -l`` to list all valid subcommand, output will be as below  ::
+You can use ``xcatprobe -l`` to list all valid subcommands, output will be as below  ::
 
     # xcatprobe -l
     osdeploy                 Probe operating system provision process. Supports two modes - 'Realtime monitor' and 'Replay history'.
@@ -22,5 +22,6 @@ You can use ``xcatprobe -l`` to list all valid subcommand, output will be as bel
    osdeploy.rst
    discovery.rst
    switch-macmap.rst 
-
+   nodecheck.rst
+   osimagecheck.rst
 

docs/source/advanced/probe/nodecheck.rst

@@ -0,0 +1,2 @@
+nodecheck
+=========

docs/source/advanced/probe/osimagecheck.rst

@@ -0,0 +1,2 @@
+osimagecheck
+============

docs/source/advanced/probe/switch-macmap.rst

@@ -1,4 +1,3 @@
 switch-macmap
 =============
 
-**TODO**