--- a/dom/presentation/tests/xpcshell/test_multicast_dns_device_provider.js
+++ b/dom/presentation/tests/xpcshell/test_multicast_dns_device_provider.js
@@ -612,17 +612,17 @@ function handleOnSessionRequest() {
   let provider = Cc[PROVIDER_CONTRACT_ID].createInstance(Ci.nsIPresentationDeviceProvider);
   let listener = {
     QueryInterface: XPCOMUtils.generateQI([Ci.nsIPresentationDeviceListener,
                                            Ci.nsISupportsWeakReference]),
     addDevice: function(device) {},
     removeDevice: function(device) {},
     updateDevice: function(device) {},
     onSessionRequest: function(device, url, presentationId, controlChannel) {
-      Assert.ok(true, "recieve onSessionRequest event");
+      Assert.ok(true, "receive onSessionRequest event");
       this.request = {
         deviceId: device.id,
         url: url,
         presentationId: presentationId,
       };
     }
   };
 
@@ -685,17 +685,17 @@ function handleOnSessionRequestFromUnkno
     },
     removeDevice: function(device) {
       Assert.ok(false, "shouldn't remote any device");
     },
     updateDevice: function(device) {
       Assert.ok(false, "shouldn't update any device");
     },
     onSessionRequest: function(device, url, presentationId, controlChannel) {
-      Assert.ok(true, "recieve onSessionRequest event");
+      Assert.ok(true, "receive onSessionRequest event");
       this.request = {
         deviceId: device.id,
         url: url,
         presentationId: presentationId,
       };
     }
   };