diff --git a/src/SOL005/NSLifecycleManagement/NSLifecycleManagement.yaml b/src/SOL005/NSLifecycleManagement/NSLifecycleManagement.yaml
index 58135d32a1cfb2027c2c2bc18e489f5952edfa18..a2e39dbf12dc10aeb42207e3930a0fc789bff52a 100644
--- a/src/SOL005/NSLifecycleManagement/NSLifecycleManagement.yaml
+++ b/src/SOL005/NSLifecycleManagement/NSLifecycleManagement.yaml
@@ -82,7 +82,7 @@ paths:
           description: >
             201 Created
 
-            A NS Instance identifier was created successfully.
+            A NS Instance identifier has been created successfully.
             The response body shall contain a representation of
             the created NS instance, as defined in clause 6.5.2.8.
             The HTTP response shall include a "Location" HTTP
@@ -145,7 +145,7 @@ 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 NsInstance and in data types
@@ -155,21 +155,21 @@ paths:
           required: false
           type: string
           description: >
-            Include all complex attributes in the response. See clause 4.3.3 for details.
+            Include all complex attributes in the response. See clause 5.3 of ETSI GS NFV-SOL 013 for details.
             The NFVO shall support this parameter.
         - name: fields
           in: query
           required: false
           type: string
           description: >
-            "Complex attributes to be included into the response. See clause 4.3.3 for
+            "Complex attributes to be included into the response. See clause 5.3 of ETSI GS NFV-SOL 013 for
             details. The NFVO should support this parameter."          
         - name: exclude_fields
           in: query
           required: false
           type: string
           description: >
-            "Complex attributes to be excluded from the response. See clause 4.3.3 for
+            "Complex attributes to be excluded from the response. See clause 5.3 of ETSI GS NFV-SOL 013 for
             details. The NFVO should support this parameter."
         - name: exclude_default
           in: query
@@ -177,7 +177,7 @@ paths:
           type: string
           description: >
             "Indicates to exclude the following complex attributes from the response.
-            See clause 4.3.3 for details. The NFVO shall support this parameter.
+            See clause 5.3 of ETSI GS NFV-SOL 013 for details. The NFVO shall support this parameter.
             The following attributes shall be excluded from the NsInstance structure in
             the response body if this parameter is provided, or none of the parameters
             "all_fields," "fields", "exclude_fields", "exclude_default" are provided:
@@ -192,7 +192,8 @@ paths:
           in: query
           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.
           required: false
           type: string
         - name: Accept
@@ -207,12 +208,12 @@ paths:
           description: >
             200 OK
 
-            Information about zero or more NS instances was queried successfully.
+            Information about zero or more NS instances has been queried successfully.
             The response body shall contain in an array the representations of
             zero or more NS instances, as defined in clause 6.5.2.8.
             If the NFVO 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.
+            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.