diff --git a/wp-admin/includes/class-wp-comments-list-table.php b/wp-admin/includes/class-wp-comments-list-table.php
index 51e6d61409..2e054a8d04 100644
--- a/wp-admin/includes/class-wp-comments-list-table.php
+++ b/wp-admin/includes/class-wp-comments-list-table.php
@@ -241,7 +241,7 @@ class WP_Comments_List_Table extends WP_List_Table {
 		$columns['comment'] = _x( 'Comment', 'column name' );
 
 		if ( 'single' !== $mode )
-			$columns['response'] = _x( 'Comment', 'column name' );
+			$columns['response'] = _x( 'In Response To', 'column name' );
 
 		return $columns;
 	}