--- a/devtools/client/netmonitor/components/request-list-empty.js
+++ b/devtools/client/netmonitor/components/request-list-empty.js
@@ -26,17 +26,17 @@ const RequestListEmptyNotice = createCla
   propTypes: {
     onReloadClick: PropTypes.func.isRequired,
     onPerfClick: PropTypes.func.isRequired,
   },
 
   render() {
     return div(
       {
-        className: "requests-list-empty-notice",
+        className: "request-list-empty-notice",
       },
       div({ className: "notice-reload-message" },
         span(null, L10N.getStr("netmonitor.reloadNotice1")),
         button(
           {
             className: "devtools-toolbarbutton requests-list-reload-notice-button",
             "data-standalone": true,
             onClick: this.props.onReloadClick,

--- a/devtools/client/netmonitor/test/browser_net_simple-request.js
+++ b/devtools/client/netmonitor/test/browser_net_simple-request.js
@@ -24,53 +24,53 @@ add_task(function* () {
     getSortedRequests,
   } = windowRequire("devtools/client/netmonitor/selectors/index");
 
   gStore.dispatch(Actions.batchEnable(false));
 
   is(document.querySelector(".network-details-panel-toggle").hasAttribute("disabled"),
     true,
     "The pane toggle button should be disabled when the frontend is opened.");
-  ok(document.querySelector(".requests-list-empty-notice"),
+  ok(document.querySelector(".request-list-empty-notice"),
     "An empty notice should be displayed when the frontend is opened.");
   is(gStore.getState().requests.requests.size, 0,
     "The requests menu should be empty when the frontend is opened.");
   is(!!document.querySelector(".network-details-panel"), false,
     "The network details panel should be hidden when the frontend is opened.");
 
   yield reloadAndWait();
 
   is(document.querySelector(".network-details-panel-toggle").hasAttribute("disabled"),
     false,
     "The pane toggle button should be enabled after the first request.");
-  ok(!document.querySelector(".requests-list-empty-notice"),
+  ok(!document.querySelector(".request-list-empty-notice"),
     "The empty notice should be hidden after the first request.");
   is(gStore.getState().requests.requests.size, 1,
     "The requests menu should not be empty after the first request.");
   is(!!document.querySelector(".network-details-panel"), false,
     "The network details panel should still be hidden after the first request.");
 
   yield reloadAndWait();
 
   is(document.querySelector(".network-details-panel-toggle").hasAttribute("disabled"),
     false,
     "The pane toggle button should be still be enabled after a reload.");
-  ok(!document.querySelector(".requests-list-empty-notice"),
+  ok(!document.querySelector(".request-list-empty-notice"),
     "The empty notice should be still hidden after a reload.");
   is(gStore.getState().requests.requests.size, 1,
     "The requests menu should not be empty after a reload.");
   is(!!document.querySelector(".network-details-panel"), false,
     "The network details panel should still be hidden after a reload.");
 
   gStore.dispatch(Actions.clearRequests());
 
   is(document.querySelector(".network-details-panel-toggle").hasAttribute("disabled"),
     true,
     "The pane toggle button should be disabled when after clear.");
-  ok(document.querySelector(".requests-list-empty-notice"),
+  ok(document.querySelector(".request-list-empty-notice"),
     "An empty notice should be displayed again after clear.");
   is(gStore.getState().requests.requests.size, 0,
     "The requests menu should be empty after clear.");
   is(!!document.querySelector(".network-details-panel"), false,
     "The network details panel should still be hidden after clear.");
 
   return teardown(monitor);