diff --git a/src/wp-admin/themes.php b/src/wp-admin/themes.php
index ccd918eae9..244f573ce6 100644
--- a/src/wp-admin/themes.php
+++ b/src/wp-admin/themes.php
@@ -342,10 +342,7 @@ foreach ( $themes as $theme ) :
 	<div class="theme-id-container">
 		<?php if ( $theme['active'] ) { ?>
 			<h2 class="theme-name" id="<?php echo $aria_name; ?>">
-				<?php
-				/* translators: %s: Theme name. */
-				printf( __( '<span>Active:</span> %s' ), $theme['name'] );
-				?>
+				<span><?php _ex( 'Active:', 'theme' ); ?></span> <?php echo $theme['name']; ?>
 			</h2>
 		<?php } else { ?>
 			<h2 class="theme-name" id="<?php echo $aria_name; ?>"><?php echo $theme['name']; ?></h2>
@@ -509,10 +506,7 @@ if ( ! is_multisite() && current_user_can( 'edit_themes' ) && $broken_themes ) {
 	<div class="theme-id-container">
 		<# if ( data.active ) { #>
 			<h2 class="theme-name" id="{{ data.id }}-name">
-				<?php
-				/* translators: %s: Theme name. */
-				printf( __( '<span>Active:</span> %s' ), '{{{ data.name }}}' );
-				?>
+				<span><?php _ex( 'Active:', 'theme' ); ?></span> {{{ data.name }}}
 			</h2>
 		<# } else { #>
 			<h2 class="theme-name" id="{{ data.id }}-name">{{{ data.name }}}</h2>
diff --git a/src/wp-includes/customize/class-wp-customize-theme-control.php b/src/wp-includes/customize/class-wp-customize-theme-control.php
index 09ba8103af..10f09d180b 100644
--- a/src/wp-includes/customize/class-wp-customize-theme-control.php
+++ b/src/wp-includes/customize/class-wp-customize-theme-control.php
@@ -110,7 +110,7 @@ class WP_Customize_Theme_Control extends WP_Customize_Control {
 			<# if ( data.theme.active ) { #>
 				<div class="theme-id-container">
 					<h3 class="theme-name" id="{{ data.section }}-{{ data.theme.id }}-name">
-						<span><?php _e( 'Previewing:' ); ?></span> {{ data.theme.name }}
+						<span><?php _ex( 'Previewing:', 'theme' ); ?></span> {{ data.theme.name }}
 					</h3>
 					<div class="theme-actions">
 						<button type="button" class="button button-primary customize-theme" aria-label="<?php echo esc_attr( $customize_label ); ?>"><?php _e( 'Customize' ); ?></button>