diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/RT.ENB_IS_CALISSON.MME_IS_YANG/epc.yang.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/RT.ENB_IS_CALISSON.MME_IS_YANG/epc.yang.conf
index 6f470c17899df3ba95cf4b545d7e886dbdb07b8c..764fc7d4c54072d6a353e268544a797d75088757 100755
--- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/RT.ENB_IS_CALISSON.MME_IS_YANG/epc.yang.conf
+++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/RT.ENB_IS_CALISSON.MME_IS_YANG/epc.yang.conf
@@ -1,6 +1,7 @@
 MME : 
 {
 
+    GNU_DEBUGGER                   = "yes";
     REALM                          = "eur";
     # Define the limits of the system in terms of served eNB and served UE.
     # When the limits will be reached, overload procedure will take place.
@@ -73,6 +74,7 @@ MME :
     NAS :
     {
         # 3GPP TS 33.401 section 7.2.4.3 Procedures for NAS algorithm selection
+        # decreasing preference goes from left to right
         ORDERED_SUPPORTED_INTEGRITY_ALGORITHM_LIST = [ "EIA0" , "EIA1" , "EIA2" ];
         ORDERED_SUPPORTED_CIPHERING_ALGORITHM_LIST = [ "EEA0" , "EEA1" , "EEA2" ];
     };