diff --git a/src/SOL002/VNFLifecycleManagement/VNFLifecycleManagement.yaml b/src/SOL002/VNFLifecycleManagement/VNFLifecycleManagement.yaml
index 1d19f876dc224b157f666ce7b6830efb2682c2f8..59a17e701ca0505ff85739e2577ff9a4c44e5a07 100644
--- a/src/SOL002/VNFLifecycleManagement/VNFLifecycleManagement.yaml
+++ b/src/SOL002/VNFLifecycleManagement/VNFLifecycleManagement.yaml
@@ -161,7 +161,7 @@ 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 VnfInstance
             and in data types referenced from it shall be supported by the VNFM in the filter expression.
@@ -193,28 +193,28 @@ paths:
         - name: all_fields
           description: >
             Include all complex attributes in the response.
-            See clause 4.3.3 for details. The VNFM shall support this parameter.
+            See clause 5.3 of ETSI GS NFV-SOL 013 for details. The VNFM shall support this parameter.
           in: query
           required: false
           type: string
         - name: fields
           description: >
             Complex attributes to be included into the response.
-            See clause 4.3.3 for details. The VNFM should support this parameter.
+            See clause 5.3 of ETSI GS NFV-SOL 013 for details. The VNFM should support this parameter.
           in: query
           required: false
           type: string
         - name: exclude_fields
           description: >
             Complex attributes to be excluded from the response.
-            See clause 4.3.3 for details. The VNFM should support this parameter.
+            See clause 5.3 of ETSI GS NFV-SOL 013 for details. The VNFM should support this parameter.
           in: query
           required: false
           type: string
         - name: exclude_default
           description: >
             Indicates to exclude the following complex attributes from the response.
-            See clause 4.3.3 for details. The VNFM shall support this parameter.
+            See clause 5.3 of ETSI GS NFV-SOL 013 for details. The VNFM shall support this parameter.
             The following attributes shall be excluded from the VnfInstance structure
             in the response body if this parameter is provided, or none of the parameters
             "all_fields," "fields", "exclude_fields", "exclude_default" are provided:
@@ -230,7 +230,7 @@ paths:
           description: >
             200 OK
 
-            Information about zero or more VNF instances was queried
+            Information about zero or more VNF instances has been queried
             successfully. The response body shall contain in an array the
             representations of zero or more VNF instances.
           headers: