diff --git a/packages/block-editor/src/components/copy-handler/README.md b/packages/block-editor/src/components/copy-handler/README.md
index 1e9883d9a2b3b3..cc6b536d50e7f3 100644
--- a/packages/block-editor/src/components/copy-handler/README.md
+++ b/packages/block-editor/src/components/copy-handler/README.md
@@ -6,7 +6,7 @@ The `CopyHandler` component handles the copy/cut and paste events of its childre
 
 Concretely, it handles the display of success messages and takes care of copying the block to the clipboard. It uses for that the [serialize function](https://github.com/WordPress/gutenberg/blob/HEAD/packages/blocks/src/api/serializer.js), which outputs HTML augmented with the HTML-comment demarcations to denote blocks.
 
-![Copy/cut behaviours](https://user-images.githubusercontent.com/150562/81698101-6e341d80-945d-11ea-9bfb-b20781f55033.gif)
+![Copy/cut behaviors](https://user-images.githubusercontent.com/150562/81698101-6e341d80-945d-11ea-9bfb-b20781f55033.gif)
 
 ## Development guidelines
 
diff --git a/packages/block-editor/src/components/link-control/test/index.js b/packages/block-editor/src/components/link-control/test/index.js
index bd97fec4ba0073..bf81da21d98609 100644
--- a/packages/block-editor/src/components/link-control/test/index.js
+++ b/packages/block-editor/src/components/link-control/test/index.js
@@ -2422,12 +2422,12 @@ describe( 'Controlling link title text', () => {
 
 	it.each( [
 		[ '', 'Testing' ],
-		[ '(with leading and traling whitespace)', '    Testing    ' ],
+		[ '(with leading and trailing whitespace)', '    Testing    ' ],
 		[
 			// Note: link control should always preserve the original value.
 			// The consumer is responsible for filtering or otherwise handling the value.
 			'(when containing HTML)',
-			'<strong>Yes this</strong> <em>is</em> expected behaviour',
+			'<strong>Yes this</strong> <em>is</em> expected behavior',
 		],
 	] )(
 		"should ensure text input reflects the current link value's `title` property %s",
diff --git a/packages/block-editor/src/components/list-view/use-clipboard-handler.js b/packages/block-editor/src/components/list-view/use-clipboard-handler.js
index e7c3026e70f090..3960fbf7ac3bf0 100644
--- a/packages/block-editor/src/components/list-view/use-clipboard-handler.js
+++ b/packages/block-editor/src/components/list-view/use-clipboard-handler.js
@@ -13,7 +13,7 @@ import { focusListItem } from './utils';
 import { getPasteBlocks, setClipboardBlocks } from '../writing-flow/utils';
 
 // This hook borrows from useClipboardHandler in ../writing-flow/use-clipboard-handler.js
-// and adds behaviour for the list view, while skipping partial selection.
+// and adds behavior for the list view, while skipping partial selection.
 export default function useClipboardHandler( { selectBlock } ) {
 	const registry = useRegistry();
 	const {
diff --git a/packages/block-editor/src/components/selection-scroll-into-view/index.js b/packages/block-editor/src/components/selection-scroll-into-view/index.js
index 773eab12a7b97f..26a853b7e88b74 100644
--- a/packages/block-editor/src/components/selection-scroll-into-view/index.js
+++ b/packages/block-editor/src/components/selection-scroll-into-view/index.js
@@ -11,7 +11,7 @@ import deprecated from '@wordpress/deprecated';
  */
 export function MultiSelectScrollIntoView() {
 	deprecated( 'wp.blockEditor.MultiSelectScrollIntoView', {
-		hint: 'This behaviour is now built-in.',
+		hint: 'This behavior is now built-in.',
 		since: '5.8',
 	} );
 	return null;