diff --git a/core/modules/system/system.module b/core/modules/system/system.module
index cd016f4370f1f2e46de20304c0c58e16de65fd0d..13469b0e6f43397f9fb5094905848f286a0d945b 100644
--- a/core/modules/system/system.module
+++ b/core/modules/system/system.module
@@ -2515,17 +2515,18 @@ function system_filetransfer_info() {
 function system_init() {
   // Ignore slave database servers for this request.
   //
-  // In Drupal's distributed database structure, new data is written to the master
-  // and then propagated to the slave servers.  This means there is a lag
-  // between when data is written to the master and when it is available on the slave.
-  // At these times, we will want to avoid using a slave server temporarily.
-  // For example, if a user posts a new node then we want to disable the slave
-  // server for that user temporarily to allow the slave server to catch up.
-  // That way, that user will see their changes immediately while for other
-  // users we still get the benefits of having a slave server, just with slightly
-  // stale data.  Code that wants to disable the slave server should use the
-  // db_set_ignore_slave() function to set $_SESSION['ignore_slave_server'] to
-  // the timestamp after which the slave can be re-enabled.
+  // In Drupal's distributed database structure, new data is written to the
+  // master and then propagated to the slave servers.  This means there is a
+  // lag between when data is written to the master and when it is available on
+  // the slave. At these times, we will want to avoid using a slave server
+  // temporarily. For example, if a user posts a new node then we want to
+  // disable the slave server for that user temporarily to allow the slave
+  // server to catch up. That way, that user will see their changes immediately
+  // while for other users we still get the benefits of having a slave server,
+  // just with slightly stale data.  Code that wants to disable the slave
+  // server should use the db_ignore_slave() function to set
+  // $_SESSION['ignore_slave_server'] to the timestamp after which the slave
+  // can be re-enabled.
   if (isset($_SESSION['ignore_slave_server'])) {
     if ($_SESSION['ignore_slave_server'] >= REQUEST_TIME) {
       Database::ignoreTarget('default', 'slave');