diff --git a/core/modules/migrate/src/Plugin/migrate/source/SourcePluginBase.php b/core/modules/migrate/src/Plugin/migrate/source/SourcePluginBase.php
index fc2d418..429a145 100644
--- a/core/modules/migrate/src/Plugin/migrate/source/SourcePluginBase.php
+++ b/core/modules/migrate/src/Plugin/migrate/source/SourcePluginBase.php
@@ -20,7 +20,7 @@
  * - skip_count: (optional) If set, do not attempt to count the source.
  * - track_changes: (optional) If set, track changes to incoming data.
  * - high_water_property: (optional) It is an array of name & alias values
- *   (optional table alias), This high_water_property is typically a timestamp
+ *   (optional table alias). This high_water_property is typically a timestamp
  *   or serial id showing what was the last imported record. Only content with a
  *   higher value will be imported.
  *