diff --git a/app/assets/javascripts/discourse/app/components/d-lightbox.hbs b/app/assets/javascripts/discourse/app/components/d-lightbox.hbs
index ee80d481c1e..8893bc55b91 100644
--- a/app/assets/javascripts/discourse/app/components/d-lightbox.hbs
+++ b/app/assets/javascripts/discourse/app/components/d-lightbox.hbs
@@ -5,7 +5,7 @@
   class={{this.HTMLClassList}}
   @scrollTop={{false}}
   {{did-insert this.registerAppEventListeners}}
-  {{will-destroy this.deregisterAppEventListners}}
+  {{will-destroy this.deregisterAppEventListeners}}
 >
   {{#if this.isVisible}}
     <div
diff --git a/app/assets/javascripts/discourse/app/components/d-lightbox.js b/app/assets/javascripts/discourse/app/components/d-lightbox.js
index f821fa32fe5..551cc4aa57c 100644
--- a/app/assets/javascripts/discourse/app/components/d-lightbox.js
+++ b/app/assets/javascripts/discourse/app/components/d-lightbox.js
@@ -128,7 +128,7 @@ export default class DLightbox extends Component {
   get shouldDisplayCarouselArrows() {
     return (
       !this.options.isMobile &&
-      this.totalItemCount >= this.options.minCarosuelArrowItemCount
+      this.totalItemCount >= this.options.minCarouselArrowItemCount
     );
   }
 
@@ -187,7 +187,7 @@ export default class DLightbox extends Component {
   }
 
   @bind
-  deregisterAppEventListners() {
+  deregisterAppEventListeners() {
     this.appEvents.off(LIGHTBOX_APP_EVENT_NAMES.OPEN, this.open);
     this.appEvents.off(LIGHTBOX_APP_EVENT_NAMES.CLOSE, this.close);
   }
diff --git a/app/assets/javascripts/discourse/app/components/user-menu/menu.js b/app/assets/javascripts/discourse/app/components/user-menu/menu.js
index 66186c660e1..766c8f22fe1 100644
--- a/app/assets/javascripts/discourse/app/components/user-menu/menu.js
+++ b/app/assets/javascripts/discourse/app/components/user-menu/menu.js
@@ -78,7 +78,7 @@ const CORE_TOP_TABS = [
     }
 
     // TODO(osama): reaction is a type used by the reactions plugin, but it's
-    // added here temporarily unitl we add a plugin API for extending
+    // added here temporarily until we add a plugin API for extending
     // filterByTypes in lists
     get notificationTypes() {
       return ["liked", "liked_consolidated", "reaction"];
diff --git a/app/assets/javascripts/discourse/app/services/lightbox.js b/app/assets/javascripts/discourse/app/services/lightbox.js
index 884d8d8154b..45913186927 100644
--- a/app/assets/javascripts/discourse/app/services/lightbox.js
+++ b/app/assets/javascripts/discourse/app/services/lightbox.js
@@ -42,7 +42,7 @@ export default class LightboxService extends Service {
     this.options = {
       isMobile: this.site.mobileView,
       isRTL: isDocumentRTL(),
-      minCarosuelArrowItemCount: MIN_CAROUSEL_ARROW_ITEM_COUNT,
+      minCarouselArrowItemCount: MIN_CAROUSEL_ARROW_ITEM_COUNT,
       zoomOnOpen: false,
       canDownload:
         this.currentUser ||
diff --git a/app/assets/javascripts/discourse/tests/integration/components/user-menu/menu-item-test.js b/app/assets/javascripts/discourse/tests/integration/components/user-menu/menu-item-test.js
index ddb768905d2..9ce738166d9 100644
--- a/app/assets/javascripts/discourse/tests/integration/components/user-menu/menu-item-test.js
+++ b/app/assets/javascripts/discourse/tests/integration/components/user-menu/menu-item-test.js
@@ -484,7 +484,7 @@ function getBookmark(overrides = {}) {
 }
 
 module(
-  "Integration | Component | user-menu | meun-item | with bookmark items",
+  "Integration | Component | user-menu | menu-item | with bookmark items",
   function (hooks) {
     setupRenderingTest(hooks);
 
diff --git a/app/assets/javascripts/discourse/tests/unit/lib/ember-action-modifer-test.js b/app/assets/javascripts/discourse/tests/unit/lib/ember-action-modifer-test.js
index b75a3d474f9..e9705800e02 100644
--- a/app/assets/javascripts/discourse/tests/unit/lib/ember-action-modifer-test.js
+++ b/app/assets/javascripts/discourse/tests/unit/lib/ember-action-modifer-test.js
@@ -4,7 +4,7 @@ import { click, doubleClick, render } from "@ember/test-helpers";
 import { hbs } from "ember-cli-htmlbars";
 import ClassicComponent from "@ember/component";
 
-module("Unit | Lib | ember-action-modifer", function (hooks) {
+module("Unit | Lib | ember-action-modifier", function (hooks) {
   setupRenderingTest(hooks);
 
   test("`{{action}}` can target a function", async function (assert) {