diff --git a/packages/block-library/src/cover/edit/inspector-controls.js b/packages/block-library/src/cover/edit/inspector-controls.js
index fcacf44e1c685..f99180d7601fd 100644
--- a/packages/block-library/src/cover/edit/inspector-controls.js
+++ b/packages/block-library/src/cover/edit/inspector-controls.js
@@ -206,9 +206,7 @@ export default function CoverInspectorControls( {
 							isImgElement && (
 								<TextareaControl
 									__nextHasNoMarginBottom
-									label={ __(
-										'Alt text (alternative text)'
-									) }
+									label={ __( 'Alternative text' ) }
 									value={ alt }
 									onChange={ ( newAlt ) =>
 										setAttributes( { alt: newAlt } )
@@ -217,11 +215,12 @@ export default function CoverInspectorControls( {
 										<>
 											<ExternalLink href="https://www.w3.org/WAI/tutorials/images/decision-tree">
 												{ __(
-													'Describe the purpose of the image'
+													'Describe the purpose of the image.'
 												) }
 											</ExternalLink>
+											<br />
 											{ __(
-												'Leave empty if the image is purely decorative.'
+												'Leave empty if decorative.'
 											) }
 										</>
 									}
diff --git a/packages/block-library/src/image/edit.native.js b/packages/block-library/src/image/edit.native.js
index 3ffd377005af9..804ae9e1671f6 100644
--- a/packages/block-library/src/image/edit.native.js
+++ b/packages/block-library/src/image/edit.native.js
@@ -578,7 +578,7 @@ export class ImageEdit extends Component {
 				footerNote={
 					<>
 						{ __(
-							'Describe the purpose of the image. Leave empty if the image is purely decorative.'
+							'Describe the purpose of the image. Leave empty if decorative.'
 						) }{ ' ' }
 						<FooterMessageLink
 							href={
diff --git a/packages/block-library/src/image/image.js b/packages/block-library/src/image/image.js
index 7bc7fc0594aa8..c513ede8b9fe2 100644
--- a/packages/block-library/src/image/image.js
+++ b/packages/block-library/src/image/image.js
@@ -407,19 +407,18 @@ export default function Image( {
 					{ ! multiImageSelection && (
 						<TextareaControl
 							__nextHasNoMarginBottom
-							label={ __( 'Alt text (alternative text)' ) }
+							label={ __( 'Alternative text' ) }
 							value={ alt }
 							onChange={ updateAlt }
 							help={
 								<>
 									<ExternalLink href="https://www.w3.org/WAI/tutorials/images/decision-tree">
 										{ __(
-											'Describe the purpose of the image'
+											'Describe the purpose of the image.'
 										) }
 									</ExternalLink>
-									{ __(
-										'Leave empty if the image is purely decorative.'
-									) }
+									<br />
+									{ __( 'Leave empty if decorative.' ) }
 								</>
 							}
 						/>
diff --git a/packages/block-library/src/media-text/edit.js b/packages/block-library/src/media-text/edit.js
index 8472de229f7ac..7f46febcef517 100644
--- a/packages/block-library/src/media-text/edit.js
+++ b/packages/block-library/src/media-text/edit.js
@@ -270,17 +270,16 @@ function MediaTextEdit( { attributes, isSelected, setAttributes, clientId } ) {
 			{ mediaType === 'image' && (
 				<TextareaControl
 					__nextHasNoMarginBottom
-					label={ __( 'Alt text (alternative text)' ) }
+					label={ __( 'Alternative text' ) }
 					value={ mediaAlt }
 					onChange={ onMediaAltChange }
 					help={
 						<>
 							<ExternalLink href="https://www.w3.org/WAI/tutorials/images/decision-tree">
-								{ __( 'Describe the purpose of the image' ) }
+								{ __( 'Describe the purpose of the image.' ) }
 							</ExternalLink>
-							{ __(
-								'Leave empty if the image is purely decorative.'
-							) }
+							<br />
+							{ __( 'Leave empty if decorative.' ) }
 						</>
 					}
 				/>