diff --git a/wp-admin/includes/revision.php b/wp-admin/includes/revision.php
index 6af781e757..cef7585f9d 100644
--- a/wp-admin/includes/revision.php
+++ b/wp-admin/includes/revision.php
@@ -91,7 +91,7 @@ function wp_prepare_revisions_for_js( $post, $selected_revision_id ) {
 			'date'         => date_i18n( __( 'M j, Y @ G:i' ), $modified_gmt ),
 			'dateShort'    => date_i18n( _x( 'j M @ G:i', 'revision date short format' ), $modified_gmt ),
 			'dateUnix'     => $modified_gmt,
-			'timeAgo'      => human_time_diff( $modified_gmt, $current ),
+			'timeAgo'      => sprintf( __( '%s ago' ), human_time_diff( $modified_gmt, $current ) ),
 			'autosave'     => wp_is_post_autosave( $revision ),
 			'current'      => $revision->post_modified_gmt === $post->post_modified_gmt,
 			'restoreUrl'   => urldecode( $restore_link ),
diff --git a/wp-admin/revision.php b/wp-admin/revision.php
index e621eb216e..0f46030285 100644
--- a/wp-admin/revision.php
+++ b/wp-admin/revision.php
@@ -130,7 +130,7 @@ require_once( './admin-header.php' );
 	<div class="revisions-tooltip-content">
 	<# if ( 'undefined' !== typeof data && 'undefined' !== typeof data.author ) { #>
 			{{{ data.author.avatar }}} {{{ data.author.name }}},
-			{{{ data.timeAgo }}} <?php _e( 'ago' ); ?>
+			{{{ data.timeAgo }}}
 			({{{ data.dateShort }}})
 	<# } #>
 	</div>
@@ -159,7 +159,7 @@ require_once( './admin-header.php' );
 				<strong><?php _ex( 'From:', 'Followed by post revision info' ); ?></strong>
 				<# if ( 'undefined' !== typeof data.from ) { #>
 					{{{ data.from.attributes.author.avatar }}} {{{ data.from.attributes.author.name }}},
-					{{{ data.from.attributes.timeAgo }}} <?php _e( 'ago' ); ?>
+					{{{ data.from.attributes.timeAgo }}}
 					({{{ data.from.attributes.dateShort }}})
 				<# } #>
 			</div>
@@ -171,7 +171,7 @@ require_once( './admin-header.php' );
 				<strong><?php _ex( 'To:', 'Followed by post revision info' ); ?></strong>
 				<# if ( 'undefined' !== typeof data.to ) { #>
 					{{{ data.to.attributes.author.avatar }}} {{{ data.to.attributes.author.name }}},
-					{{{ data.to.attributes.timeAgo }}} <?php _e( 'ago' ); ?>
+					{{{ data.to.attributes.timeAgo }}}
 					({{{ data.to.attributes.dateShort }}})
 				<# } #>
 			</div>