diff --git a/cspse/lmc/release.py b/cspse/lmc/release.py
index 4e495d00490bd3ef9f828c5ab710d763585063e4..9e0117bcf595da924d8cb116dfba55c54daaf7bf 100755
--- a/cspse/lmc/release.py
+++ b/cspse/lmc/release.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 #
-# This file is part of the CentralNode project
+# This file is part of the CspSubElementMaster project
 #
 #
 #
diff --git a/cspse/lmc/subelement_master.py b/cspse/lmc/subelement_master.py
index b27c0dd7b6b1e1a84eb5eb5e45b316aa5307e6c7..7958c62e056826c2c1f7d574a5397045f739daed 100644
--- a/cspse/lmc/subelement_master.py
+++ b/cspse/lmc/subelement_master.py
@@ -239,7 +239,6 @@ class CspSubElementMaster(SKAMaster):
         SKAMaster.init_device(self)
         self.set_state(tango.DevState.INIT)
         # PROTECTED REGION ID(CspSubElementMaster.init_device) ENABLED START #
-        # PROTECTED REGION ID(CspSubElementMaster.init_device) ENABLED START #
         # _cmd_execution_state: implement the execution state of a long-running
         # command for the whole CSP.  Setting this attribute prevent the execution
         # of the same command while it is already running.
@@ -510,6 +509,9 @@ class CspSubElementMaster(SKAMaster):
             The command is executed if the *AdminMode* is ONLINE or *MAINTENANCE*.
             If the AdminMode is *OFFLINE*, *NOT-FITTED* or *RESERVED*, the method throws an 
             exception.
+            The CSP sub-element components can be organized as tango-groups or controlled
+            by some tango device drivers which actas as 'cache'. We call these devices 
+            'racks', even if they can contro a different phisical arrangement.
 
         :param argin: 'DevVarStringArray'
             The list of sub-element components FQDNs to switch-on or an empty list to switch-on the whole 
@@ -540,6 +542,10 @@ class CspSubElementMaster(SKAMaster):
             Switch-off the CSP sub-element components specified by the input argument. 
             If no argument is specified, the command is issued to all the CSP 
             sub-element components.
+            The CSP sub-element components can be organized as tango-groups or controlled
+            by some tango device drivers which actas as 'cache'. We call these devices 
+            'racks', even if they can contro a different phisical arrangement.
+
 
         :param argin: 'DevVarStringArray'
             If the array length is 0, the command applies to the whole