diff --git a/core/lib/Drupal/Core/Database/Driver/sqlite/Connection.php b/core/lib/Drupal/Core/Database/Driver/sqlite/Connection.php
index b50f9cf..247d653 100644
--- a/core/lib/Drupal/Core/Database/Driver/sqlite/Connection.php
+++ b/core/lib/Drupal/Core/Database/Driver/sqlite/Connection.php
@@ -273,6 +273,9 @@ public static function sqlFunctionRegexp($pattern, $subject) {
    * @see https://sqlite.org/lang_expr.html#like
    */
   public static function sqlFunctionLikeBinary($pattern, $subject) {
+    // Replace the SQL LIKE wildcard meta-characters with the equivalent regular
+    // expression meta-characters and escape the delimiter that will be used for
+    // matching.
     $pattern = str_replace(array('%', '_'), array('.*?', '.'), preg_quote($pattern, '/'));
     return preg_match('/^' . $pattern . '$/', $subject);
   }