diff --git a/src/yang/etsi-nfv-ns.yang b/src/yang/etsi-nfv-ns.yang
index 9a42e7eaf32ca2dc3488622f86f27ba1ce742621..9e78127fc7fb137ee196ac838db8568cfa079c19 100644
--- a/src/yang/etsi-nfv-ns.yang
+++ b/src/yang/etsi-nfv-ns.yang
@@ -1558,8 +1558,8 @@ submodule etsi-nfv-ns {
             leaf collection-period {
               type string;
               description
-                "An attribute that describes the periodicity at which
-                 to collect the performance information.";
+                "An attribute that describes the periodicity at
+                 which to collect the performance information.";
               reference
                 "GS NFV IFA014: Section 6.2.8.2 MonitoringParameter
                  information element";