diff --git a/robot-systest/lib/cli/ns_lib.robot b/robot-systest/lib/cli/ns_lib.robot
index 8be124d..f6bee41 100644
--- a/robot-systest/lib/cli/ns_lib.robot
+++ b/robot-systest/lib/cli/ns_lib.robot
@@ -31,7 +31,6 @@
 ${ns_delete_pol_time}    15sec
 ${nsconfig}
 
-
 *** Keywords ***
 Get NS List
     [Documentation]  Get ns instance list
@@ -43,6 +42,7 @@
 
 Launch Network Services and Return
     [Arguments]  ${vim_name}  ${ns_config}=''
+    [Documentation]  Get Configuration parameter to create Newtork service
 
     Run Keyword If    ${ns_config}==''    Get NS Config
     ...  ELSE  Set NS Config    ${ns_config}
@@ -56,11 +56,15 @@
 
 Set NS Config
     [Arguments]   ${ns_config}
+    [Documentation]  Set NS Configuration variable
+
     ${nsconfig}=    Get Variable Value    ${ns_config}    ''
     Set Test Variable    ${nsconfig}
 
 
 Get NS Config
+    [Documentation]  Get NS Configuration from Environment Variable
+
     ${nsconfig}=    Get Environment Variable    NS_CONFIG    ''
     Set Test Variable    ${nsconfig}