diff --git a/misc/acrn-config/README b/misc/acrn-config/README
index 0ca1f7b68..98ae6f9b5 100644
--- a/misc/acrn-config/README
+++ b/misc/acrn-config/README
@@ -2,7 +2,7 @@ folder structure
 
 	Kconfig		: Select working scenario and target board, configure ACRN hypervisor capabilities and features.
 	target		: Get target board information under native Linux environment and generate board_info XML.
-	board_config	: Parse board_info XML and scenario XML to generate board related configuration files under hypervisor/arch/x86/configs/$(BOARD)/ folder.
-	scenario_config	: Parse board_info XML and scenario XML to generate scenario based VM configuration files under hypervisor/scenarios/$(SCENARIO)/ folder.
-	launch_config	: Parse board_info XML, scenario XML and devicemodel param XML to generate launch script for post-launched vm under devicesmodel/samples/$(BOARD)/ folder.
+	board_config	: Parse board_info XML and scenario XML to generate board related configuration files under misc/acrn-config/xmls/board-xmls/ folder.
+	scenario_config	: Parse board_info XML and scenario XML to generate scenario based VM configuration files under misc/acrn-config/xmls/config-xmls/$(BOARD)/ folder.
+	launch_config	: Parse board_info XML, scenario XML and devicemodel param XML to generate launch script for post-launched vm under misc/acrn-config/xmls/config-xmls/$(BOARD)/ folder.
 	library		: The folder stores shared software modules or libs for acrn-config offline tool.
diff --git a/misc/acrn-config/board_config/README b/misc/acrn-config/board_config/README
index 021f10982..70c874ef4 100644
--- a/misc/acrn-config/board_config/README
+++ b/misc/acrn-config/board_config/README
@@ -1,5 +1,6 @@
 Please run board_cfg_gen.py to generate board related configuration patch, the patch would be applied on current acrn-hypervisor git tree automatically.
 
-usage: python3 board_cfg_gen.py [h] --board <board_info_file>
+usage: python3 board_cfg_gen.py [h] --board <board_info_file> --scenario <scenario_info_file>
 positional arguments:
   board_info_file  : file name of the board info XML
+  scenario_info_file  : file name of the scenario info XML
diff --git a/misc/acrn-config/launch_config/README b/misc/acrn-config/launch_config/README
index ae1ae3479..079f7d34a 100644
--- a/misc/acrn-config/launch_config/README
+++ b/misc/acrn-config/launch_config/README
@@ -1 +1,8 @@
-TODO: parse board_info XML, scenario XML and devicemodel param XML to generate launch script for post-launched vm under devicesmodel/samples/$(BOARD)/ folder
+Please run launch_cfg_gen.py to generate board related configuration patch, the patch would be applied on current acrn-hypervisor git tree automatically.
+
+usage: python3 launch_cfg_gen.py [h] --board <board_info_file> --scenario <scenario_info_file> --launch <launch_info_file>
+positional arguments:
+  board_info_file  : file name of the board info XML
+  scenario_info_file  : file name of the scenario info XML
+  launch_info_file :  file name of the launch info
+  uosid :  this is the relateive id for post launch vm in scenario info XML:[1..max post launch vm]
diff --git a/misc/acrn-config/library/launch_cfg_lib.py b/misc/acrn-config/library/launch_cfg_lib.py
index d71e36799..e61db2255 100644
--- a/misc/acrn-config/library/launch_cfg_lib.py
+++ b/misc/acrn-config/library/launch_cfg_lib.py
@@ -90,7 +90,7 @@ def usage(file_name):
     print('board_info_file :  file name of the board info')
     print('scenario_info_file :  file name of the scenario info')
     print('launch_info_file :  file name of the launch info')
-    print('uosid :  the vm id which to launch:[0..max uosid id]')
+    print('uosid :  this is the relateive id for post launch vm in scenario info XML:[1..max post launch vm]')
 
 
 def get_param(args):
diff --git a/misc/acrn-config/scenario_config/README b/misc/acrn-config/scenario_config/README
index 07eaec819..315c58258 100644
--- a/misc/acrn-config/scenario_config/README
+++ b/misc/acrn-config/scenario_config/README
@@ -1 +1,6 @@
-TODO: parse board_info XML and scenario XML to generate scenario based VM configuration files under hypervisor/scenarios/$(SCENARIO)/ folder
+Please run scenario_cfg_gen.py to generate board related configuration patch, the patch would be applied on current acrn-hypervisor git tree automatically.
+
+usage: python3 scenario_cfg_gen.py [h] --board <board_info_file> --scenario <scenario_info_file>
+positional arguments:
+  board_info_file  : file name of the board info XML
+  scenario_info_file  : file name of the scenario info XML