diff -u b/sites/default/default.settings.php b/sites/default/default.settings.php
--- b/sites/default/default.settings.php
+++ b/sites/default/default.settings.php
@@ -193,8 +193,8 @@
  * );
  * @endcode
  *
- * Advanced users can also specify MySQL database layer connection security using the
- * 'pdo' attribute for array as follows:
+ * Advanced users can also specify MySQL database layer connection security
+ * using the'pdo' attribute for array as follows:
  * @code
  * 'pdo' => [
  *   MYSQL_ATTR_SSL_KEY => '/path/to/ssl-cert.key',