diff --git a/src/SOL005/NSPerformanceManagement/NSPerformanceManagement.yaml b/src/SOL005/NSPerformanceManagement/NSPerformanceManagement.yaml
index 837f09a7887f6f1ea5e128ba5fe458f95830ad5a..c0c4e1a09ae9624f8a5a6ea82c773ca861d35953 100644
--- a/src/SOL005/NSPerformanceManagement/NSPerformanceManagement.yaml
+++ b/src/SOL005/NSPerformanceManagement/NSPerformanceManagement.yaml
@@ -621,7 +621,7 @@ paths:
           required: false
           type: string
           description: >
-            Attribute-based filtering expression according to clause 4.3.2.
+            Attribute-based filtering expression according to clause 5.2 of ETSI GS NFV-SOL 013.
             The NFVO shall support receiving this parameter as part of the URI query string.
             The OSS/BSS may supply this parameter.
             All attribute names that appear in the Thresholds data type and in data types referenced from it
@@ -632,7 +632,8 @@ paths:
           type: string
           description: >
             Marker to obtain the next page of a paged response. Shall be supported by the NFVO
-            if the NFVO supports alternative 2 (paging) according to clause 4.7.2.1 for this resource.
+            if the NFVO supports alternative 2 (paging) according to clause 5.4.2.1 of 
+            ETSI GS NFV SOL 013for this resource.
         - name: Accept
           description: >
             Content-Types that are acceptable for the response.
@@ -645,9 +646,17 @@ paths:
           description: >
             200 OK
 
-            Information about zero or more thresholds was queried successfully.
-            The response body shall contain representations of
-            zero or more thresholds, as defined in clause 7.5.2.9.
+            Shall be returned when information about zero or more thresholds was queried 
+            successfully.
+            If the "filter" URI parameter was supplied in the request, the data in the 
+            response body shall have been transformed according to the rules specified 
+            in clause 5.2.2 of ETSI GS NFV-SOL 013.
+            The response body shall contain representations of zero or more thresholds,
+            as defined in clause 7.5.2.9.
+            If the NFVO supports alternative 2 (paging) according to clause 5.4.2.1 of 
+            ETSI GS NFV SOL 013 for this resource, inclusion of the Link HTTP header 
+            in this response shall follow the provisions in clause 5.4.2.3 of 
+            ETSI GS NFV SOL 013.
           headers:
             Content-Type:
               description: The MIME type of the body of the response.