add item to SchemaManager jdoc

Author: gavinking

hibernate-core/src/main/java/org/hibernate/relational/SchemaManager.java

@@ -10,7 +10,8 @@
 /**
  * Allows programmatic {@linkplain #exportMappedObjects schema export},
  * {@linkplain #validateMappedObjects schema validation},
- * {@linkplain #truncateMappedObjects data cleanup}, and
+ * {@linkplain #truncateMappedObjects data cleanup},
+ * {@linkplain #populate data population}, and
  * {@linkplain #dropMappedObjects schema cleanup} as a convenience for
  * writing tests.
  *