diff --git a/OpenAPI/TS28623_GenericNrm.yaml b/OpenAPI/TS28623_GenericNrm.yaml
index 6629b061a28552b4f76e68ca525f4bbfd3278a31..1b2b76acf967580210dcc6ed235a52f4b0e9009a 100755
--- a/OpenAPI/TS28623_GenericNrm.yaml
+++ b/OpenAPI/TS28623_GenericNrm.yaml
@@ -151,7 +151,7 @@ components:
              - FILE_BASED_LOC_SET_BY_PRODUCER
              - FILE_BASED_LOC_SET_BY_CONSUMER
              - STREAM_BASED 
-        monitorGranularityPeriods:
+        reportingPeriods:
           type: array
           items:
             type: integer
diff --git a/yang-models/_3gpp-common-measurements.yang b/yang-models/_3gpp-common-measurements.yang
index 793965106a3d5a30dcf1873bb49637a2e3faf95b..a77751a94a5690a041d555de2ada2d543048adc5 100755
--- a/yang-models/_3gpp-common-measurements.yang
+++ b/yang-models/_3gpp-common-measurements.yang
@@ -54,6 +54,7 @@ module _3gpp-common-measurements {
       Integration Reference Point (IRP);
       Information Service (IS)";
 
+  revision 2023-02-15 { reference "CR-0239";}
   revision 2022-11-03 { reference "CR-0193"; }
   revision 2022-10-31 { reference CR-0195;   }
   revision 2021-07-22 { reference "CR-0137"; }
@@ -193,6 +194,8 @@ module _3gpp-common-measurements {
           range 1..max ;
         }
         units seconds;
+        description "Granularity periods supported for the associated 
+          measurement types. The period is defined in seconds.";
       }
 
       leaf-list reportingMethods {
@@ -204,13 +207,13 @@ module _3gpp-common-measurements {
         min-elements 1;
       }
 
-      leaf-list monitorGranularityPeriods {
+      leaf-list reportingPeriods {
         type uint32 {
           range 1..max ;
         }
         units seconds;
-        description "Granularity periods supported for the monitoring of
-          associated measurement types for thresholds";
+        description "Reporting periods supported for the associated 
+          measurement types. The period is defined in seconds.";
       }
     }
   }
@@ -310,6 +313,7 @@ module _3gpp-common-measurements {
       min-elements 1;
       leaf idx { type uint32 ; }
       uses ThresholdInfoGrp;
+      description "List of threshold info.";
     }
 
     leaf monitorGranularityPeriod {
@@ -446,6 +450,9 @@ module _3gpp-common-measurements {
       A threshold monitor checks for threshold crossings of performance metric
       values and generates a notification when that happens.
 
+      The ThresholdMonitor is used only when NRM based threshold 
+      monitoring is supported.
+      
       To activate threshold monitoring, a MnS consumer needs to create a
       ThresholdMonitor instance on the MnS producer. For ultimate deactivation
       of threshold monitoring, the MnS consumer should delete the monitor to
@@ -477,6 +484,8 @@ module _3gpp-common-measurements {
       Multiple thresholds can be defined for multiple performance metric sets
       in a single monitor using thresholdInfoList. The attribute
       monitorGranularityPeriod defines the granularity period to be applied.
+      The value is a multiple of a supported granularity period for the 
+      measurements being monitored.
 
       Each threshold is identified with a number (key) called thresholdLevel.
       A threshold is defined using the attributes thresholdValue ,
@@ -516,4 +525,4 @@ module _3gpp-common-measurements {
       }
     }
   }
-}
\ No newline at end of file
+}