diff --git a/src/yang/etsi-nfv-vnf.yang b/src/yang/etsi-nfv-vnf.yang
index efa000053ddfb8078e277fcca710874ce2f8cf06..d8fda8b74306ae5e34614d2c8f45b693c02b5b79 100755
--- a/src/yang/etsi-nfv-vnf.yang
+++ b/src/yang/etsi-nfv-vnf.yang
@@ -1805,6 +1805,7 @@ submodule etsi-nfv-vnf {
 
             list parameter {
               key "key";
+
               leaf key {
                 type string;
               }