diff --git a/packages/block-editor/src/components/global-styles/image-settings-panel.js b/packages/block-editor/src/components/global-styles/image-settings-panel.js
index d28a1bed8c216..e1e5d191b9122 100644
--- a/packages/block-editor/src/components/global-styles/image-settings-panel.js
+++ b/packages/block-editor/src/components/global-styles/image-settings-panel.js
@@ -61,14 +61,14 @@ export default function ImageSettingsPanel( {
 					// "RESET" button ONLY when the user has explicitly set a value in the
 					// Global Styles.
 					hasValue={ () => !! value?.lightbox }
-					label={ __( 'Enlarge Image' ) }
+					label={ __( 'Enlarge image' ) }
 					onDeselect={ resetLightbox }
 					isShownByDefault
 					panelId={ panelId }
 				>
 					<ToggleControl
 						__nextHasNoMarginBottom
-						label={ __( 'Enlarge Image' ) }
+						label={ __( 'Enlarge image' ) }
 						checked={ lightboxChecked }
 						onChange={ onChangeLightbox }
 					/>
diff --git a/packages/block-editor/src/components/url-popover/image-url-input-ui.js b/packages/block-editor/src/components/url-popover/image-url-input-ui.js
index c5258a67f04ec..def9216f740c9 100644
--- a/packages/block-editor/src/components/url-popover/image-url-input-ui.js
+++ b/packages/block-editor/src/components/url-popover/image-url-input-ui.js
@@ -265,14 +265,14 @@ const ImageURLInputUI = ( {
 				<div className="block-editor-url-popover__expand-on-click">
 					<Icon icon={ fullscreen } />
 					<div className="text">
-						<p>{ __( 'Enlarge Image' ) }</p>
+						<p>{ __( 'Enlarge image' ) }</p>
 						<p className="description">
 							{ __( 'Scales the image with a lightbox effect' ) }
 						</p>
 					</div>
 					<Button
 						icon={ linkOff }
-						label={ __( 'Disable Enlarge Image' ) }
+						label={ __( 'Disable Enlarge image' ) }
 						onClick={ () => {
 							onSetLightbox?.( false );
 						} }
@@ -372,7 +372,7 @@ const ImageURLInputUI = ( {
 											stopEditLink();
 										} }
 									>
-										{ __( 'Enlarge Image' ) }
+										{ __( 'Enlarge image' ) }
 									</MenuItem>
 								) }
 							</NavigableMenu>
diff --git a/packages/block-library/src/gallery/edit.js b/packages/block-library/src/gallery/edit.js
index 237fe89c495b4..2bacada3f9033 100644
--- a/packages/block-library/src/gallery/edit.js
+++ b/packages/block-library/src/gallery/edit.js
@@ -80,7 +80,7 @@ const LINK_OPTIONS = [
 	},
 	{
 		icon: fullscreen,
-		label: __( 'Enlarge Image' ),
+		label: __( 'Enlarge image' ),
 		value: LINK_DESTINATION_LIGHTBOX,
 		noticeText: __( 'Lightbox effect' ),
 		infoText: __( 'Scale images with a lightbox effect' ),