SOL005_30: filter description updated in NSD mgmt GET PNF descriptors

src/SOL005/NSDManagement/NSDManagement.yaml

@@ -783,11 +783,11 @@ paths:
           required: false
           type: string
           description: >
-            Attribute-based filtering parameters according to clause 4.3.2.
-            The NFVO shall support receiving filtering parameters as part of the URI
-            query string. The OSS/BSS may supply filtering parameters.
-            All attribute names that appear in the PnfdInfo and in data types referenced
-            from it shall be supported in attribute-based filtering parameters.
+            Attribute-based filtering expression according to clause 4.3.2.
+            The NFVO shall support receiving this filtering parameter as part
+            of the URI query string. The OSS/BSS may supply this parameter.
+            All attribute names that appear in the PnfdInfo and in data types
+            referenced from it shall be supported by the NFVO in the filter expression. 
         - name: all_fields
           in: query
           required: false