diff --git a/src/SOL005/NSPerformanceManagement/NSPerformanceManagement.yaml b/src/SOL005/NSPerformanceManagement/NSPerformanceManagement.yaml
index 4baed6888274ec8595058741049b089c64b00213..8f4d54ce4fdc310908da00207494fcf2720a5173 100644
--- a/src/SOL005/NSPerformanceManagement/NSPerformanceManagement.yaml
+++ b/src/SOL005/NSPerformanceManagement/NSPerformanceManagement.yaml
@@ -974,7 +974,7 @@ 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 PmSubscription and in data types referenced from it
@@ -985,7 +985,8 @@ 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 013 for this resource.
         - name: Accept
           description: >
             Content-Types that are acceptable for the response.
@@ -998,10 +999,21 @@ paths:
           description: >
             200 OK
 
-            The list of subscriptions was queried successfully.
+            Shall be returned when the list of subscriptions has 
+            been queried successfully.
             The response body shall contain the representations of
             all active subscriptions of the functional block that
             invokes the method, as defined in clause 7.5.2.3.
+            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 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.