diff --git a/src/SOL002/VNFPerformanceManagement/VNFPerformanceManagement.yaml b/src/SOL002/VNFPerformanceManagement/VNFPerformanceManagement.yaml
index 7c9ef58d2165bace7425eaaa0af1f939da9dcfb0..0fcc62288bc911d245a2b2287beab7b0b7e07413 100644
--- a/src/SOL002/VNFPerformanceManagement/VNFPerformanceManagement.yaml
+++ b/src/SOL002/VNFPerformanceManagement/VNFPerformanceManagement.yaml
@@ -1069,7 +1069,7 @@ paths:
           type: string
         - name: filter
           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 VNFM shall support receiving this parameter as part of the URI query string.
             The EM may supply this parameter. All attribute names that appear in the PmSubscription
             and in data types referenced from it shall be supported by the VNFM in attribute-based filtering expression.
@@ -1103,7 +1103,7 @@ paths:
           description: >
             Marker to obtain the next page of a paged response.
             Shall be supported by the VNFM if the VNFM supports alternative 2
-            (paging) according to clause 4.7.2.1 for this resource.
+            (paging) according to clause 5.4.2.1 of ETSI GS NFV-SOL 013 for this resource.
           in: query
           required: false
           type: string
@@ -1112,12 +1112,16 @@ paths:
           description: >
             200 OK
 
-            The list of subscriptions was queried successfully.
+            Shall be returned when the list of subscriptions was queried successfully.
             The response body shall contain in an array the representations
             of all active subscriptions of the functional block that invokes the method,
             i.e. zero or more representations of PM subscriptions as defined in clause 6.5.2.3.
-            If the VNFM supports alternative 2 (paging) according to clause 4.7.2.1 for this resource,
-            inclusion of the Link HTTP header in this response shall follow the provisions in clause 4.7.2.3.
+            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.
+            If the VNFM 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.