diff --git a/aio/scripts/_payload-limits.json b/aio/scripts/_payload-limits.json
index 6861676969..b02773aeef 100755
--- a/aio/scripts/_payload-limits.json
+++ b/aio/scripts/_payload-limits.json
@@ -3,7 +3,7 @@
     "master": {
       "uncompressed": {
         "runtime": 2768,
-        "main": 475857,
+        "main": 475855,
         "polyfills": 38453,
         "prettify": 14913
       }
diff --git a/aio/src/app/app.component.spec.ts b/aio/src/app/app.component.spec.ts
index 6431d9c79c..5b646af0a5 100644
--- a/aio/src/app/app.component.spec.ts
+++ b/aio/src/app/app.component.spec.ts
@@ -1306,7 +1306,7 @@ function createTestingModule(initialUrl: string, mode: string = 'stable') {
 }
 
 class TestElementsLoader {
-  loadContainingCustomElements = jasmine.createSpy('loadContainingCustomElements')
+  loadContainedCustomElements = jasmine.createSpy('loadContainedCustomElements')
       .and.returnValue(of(undefined));
 
   loadCustomElement = jasmine.createSpy('loadCustomElement')
diff --git a/aio/src/app/custom-elements/elements-loader.spec.ts b/aio/src/app/custom-elements/elements-loader.spec.ts
index 906e74283e..817dd71a57 100644
--- a/aio/src/app/custom-elements/elements-loader.spec.ts
+++ b/aio/src/app/custom-elements/elements-loader.spec.ts
@@ -33,7 +33,7 @@ describe('ElementsLoader', () => {
     elementsLoader = injector.get(ElementsLoader);
   });
 
-  describe('loadContainingCustomElements()', () => {
+  describe('loadContainedCustomElements()', () => {
     let loadCustomElementSpy: jasmine.Spy;
 
     beforeEach(() => loadCustomElementSpy = spyOn(elementsLoader, 'loadCustomElement'));
@@ -47,7 +47,7 @@ describe('ElementsLoader', () => {
         <element-b-selector></element-b-selector>
       `;
 
-      elementsLoader.loadContainingCustomElements(hostEl);
+      elementsLoader.loadContainedCustomElements(hostEl);
       flushMicrotasks();
 
       expect(loadCustomElementSpy).toHaveBeenCalledTimes(2);
@@ -63,7 +63,7 @@ describe('ElementsLoader', () => {
         <element-b-selector></element-b-selector>
       `;
 
-      elementsLoader.loadContainingCustomElements(hostEl);
+      elementsLoader.loadContainedCustomElements(hostEl);
       flushMicrotasks();
 
       expect(loadCustomElementSpy).toHaveBeenCalledTimes(1);
@@ -80,7 +80,7 @@ describe('ElementsLoader', () => {
       `;
 
       const log: any[] = [];
-      elementsLoader.loadContainingCustomElements(hostEl).subscribe(
+      elementsLoader.loadContainedCustomElements(hostEl).subscribe(
         v => log.push(`emitted: ${v}`),
         e => log.push(`errored: ${e}`),
         () => log.push('completed'),
@@ -108,7 +108,7 @@ describe('ElementsLoader', () => {
       `;
 
       const log: any[] = [];
-      elementsLoader.loadContainingCustomElements(hostEl).subscribe(
+      elementsLoader.loadContainedCustomElements(hostEl).subscribe(
         v => log.push(`emitted: ${v}`),
         e => log.push(`errored: ${e}`),
         () => log.push('completed'),
diff --git a/aio/src/app/custom-elements/elements-loader.ts b/aio/src/app/custom-elements/elements-loader.ts
index 0dd45a008d..8eef788c5b 100644
--- a/aio/src/app/custom-elements/elements-loader.ts
+++ b/aio/src/app/custom-elements/elements-loader.ts
@@ -26,7 +26,7 @@ export class ElementsLoader {
    * the browser. Custom elements that are registered will be removed from the list of unregistered
    * elements so that they will not be queried in subsequent calls.
    */
-  loadContainingCustomElements(element: HTMLElement): Observable<void> {
+  loadContainedCustomElements(element: HTMLElement): Observable<void> {
     const unregisteredSelectors = Array.from(this.elementsToLoad.keys())
         .filter(s => element.querySelector(s));
 
diff --git a/aio/src/app/custom-elements/lazy-custom-element.component.spec.ts b/aio/src/app/custom-elements/lazy-custom-element.component.spec.ts
index 3e7c9a5fa5..5bb0eeefa5 100644
--- a/aio/src/app/custom-elements/lazy-custom-element.component.spec.ts
+++ b/aio/src/app/custom-elements/lazy-custom-element.component.spec.ts
@@ -11,7 +11,7 @@ describe('LazyCustomElementComponent', () => {
 
   beforeEach(() => {
     mockElementsLoader = jasmine.createSpyObj<ElementsLoader>('ElementsLoader', [
-      'loadContainingCustomElements',
+      'loadContainedCustomElements',
       'loadCustomElement',
     ]);
 
diff --git a/aio/src/app/layout/doc-viewer/doc-viewer.component.spec.ts b/aio/src/app/layout/doc-viewer/doc-viewer.component.spec.ts
index 42ba737be3..1f1ae32a71 100644
--- a/aio/src/app/layout/doc-viewer/doc-viewer.component.spec.ts
+++ b/aio/src/app/layout/doc-viewer/doc-viewer.component.spec.ts
@@ -300,7 +300,7 @@ describe('DocViewerComponent', () => {
 
     beforeEach(() => {
       const elementsLoader = TestBed.get(ElementsLoader) as MockElementsLoader;
-      loadElementsSpy = elementsLoader.loadContainingCustomElements.and.returnValue(of(undefined));
+      loadElementsSpy = elementsLoader.loadContainedCustomElements.and.returnValue(of(undefined));
       prepareTitleAndTocSpy = spyOn(docViewer, 'prepareTitleAndToc');
       swapViewsSpy = spyOn(docViewer, 'swapViews').and.returnValue(of(undefined));
     });
diff --git a/aio/src/app/layout/doc-viewer/doc-viewer.component.ts b/aio/src/app/layout/doc-viewer/doc-viewer.component.ts
index 26a4513c99..a1b5ddabb0 100644
--- a/aio/src/app/layout/doc-viewer/doc-viewer.component.ts
+++ b/aio/src/app/layout/doc-viewer/doc-viewer.component.ts
@@ -136,7 +136,7 @@ export class DocViewerComponent implements OnDestroy {
         //           and is considered to be safe.
         tap(() => this.nextViewContainer.innerHTML = doc.contents || ''),
         tap(() => addTitleAndToc = this.prepareTitleAndToc(this.nextViewContainer, doc.id)),
-        switchMap(() => this.elementsLoader.loadContainingCustomElements(this.nextViewContainer)),
+        switchMap(() => this.elementsLoader.loadContainedCustomElements(this.nextViewContainer)),
         tap(() => this.docReady.emit()),
         switchMap(() => this.swapViews(addTitleAndToc)),
         tap(() => this.docRendered.emit()),
diff --git a/aio/src/testing/doc-viewer-utils.ts b/aio/src/testing/doc-viewer-utils.ts
index cc7a207805..a078e492ec 100644
--- a/aio/src/testing/doc-viewer-utils.ts
+++ b/aio/src/testing/doc-viewer-utils.ts
@@ -56,8 +56,8 @@ export class MockTocService {
 }
 
 export class MockElementsLoader {
-  loadContainingCustomElements =
-      jasmine.createSpy('MockElementsLoader#loadContainingCustomElements');
+  loadContainedCustomElements =
+      jasmine.createSpy('MockElementsLoader#loadContainedCustomElements');
 }
 
 @NgModule({