diff --git a/core/modules/migrate/src/Plugin/migrate/source/SourcePluginBase.php b/core/modules/migrate/src/Plugin/migrate/source/SourcePluginBase.php
index 4dc0322..b7bdb1c 100644
--- a/core/modules/migrate/src/Plugin/migrate/source/SourcePluginBase.php
+++ b/core/modules/migrate/src/Plugin/migrate/source/SourcePluginBase.php
@@ -34,9 +34,9 @@
  * @endcode
  *
  * This example uses the plugin "some_source_plugin_name" and caches the count
- * of available source records to save calculating every time count() is called.
- * Changes to incoming data are watched (because track_changes is true), which
- * can affect the result of prepareRow().
+ * of available source records to save calculating it every time count() is
+ * called. Changes to incoming data are watched (because track_changes is true),
+ * which can affect the result of prepareRow().
  *
  * Example:
  *