diff --git a/doc/glossary.txt b/doc/glossary.txt
index e041090..6adf36a 100644
--- a/doc/glossary.txt
+++ b/doc/glossary.txt
@@ -60,6 +60,11 @@ glossary
     always know who has modified it. It's the owner of the option, see 
     :doc:`status` for more details.
 
+**option with properties**
+ 
+    an option wich has property like 'hidden' or 'disabled' is an option
+    wich has restricted acces rules
+
 **hidden option**
 
     a hidden option has a different behaviour on regards to the access 
diff --git a/doc/status.txt b/doc/status.txt
index 695d1fb..7c5e7d7 100644
--- a/doc/status.txt
+++ b/doc/status.txt
@@ -58,7 +58,7 @@ Restricted access to an `Option()`
 -----------------------------------
 
 Configuration options access statuses are defined at configuration level 
-that corresponds to theses :api:`option.Option()`'s attribute: 
+that corresponds to the :api:`option.Option()`'s `properties` attribute.
 
 **hidden**
 
@@ -92,21 +92,6 @@ corresponding convenience API provided:
     `enable()`:
         set the `disabled` attribute to `False`
 
-.. 
-    mode 
-
-        a mode is `normal` or `expert`, just a category of `Option()` or 
-        group wich determines if an option is easy to choose or not, 
-        available methods are:
-
-        `get_mode()`:
-            returns the current mode
-            
-        `set_mode(mode)`:
-            sets a new mode
-
-        see it in :api:`option.ModeBaseType`
-
 Value owners
 -------------
 
diff --git a/tiramisu/config.py b/tiramisu/config.py
index f583c48..8b63fbb 100644
--- a/tiramisu/config.py
+++ b/tiramisu/config.py
@@ -435,16 +435,16 @@ class Config(object):
         # hung up on freeze, hidden and disabled concepts 
         self.cfgimpl_freeze()
         rootconfig = self._cfgimpl_get_toplevel()
-        rootconfig._cfgimpl_hidden = False
-        rootconfig._cfgimpl_disabled = True
+        rootconfig.cfgimpl_hide()
+        rootconfig.cfgimpl_disable()
         rootconfig._cfgimpl_mandatory = True
 
     def cfgimpl_read_write(self):
         # hung up on freeze, hidden and disabled concepts
         self.cfgimpl_unfreeze()
         rootconfig = self._cfgimpl_get_toplevel()
-        rootconfig._cfgimpl_hidden = True
-        rootconfig._cfgimpl_disabled = True
+        rootconfig.cfgimpl_hide()
+        rootconfig.cfgimpl_disable() 
         rootconfig._cfgimpl_mandatory = False
     # ____________________________________________________________
     def getkey(self):