Update docs/en/reference/working-with-objects.rst

Co-authored-by: Grégoire Paris <[email protected]>

docs/en/reference/working-with-objects.rst

@@ -314,7 +314,7 @@ association, either as the owning or inverse side, the ORM will
 delete rows from join tables before removing the entity itself. That means
 database-level ``ON DELETE RESTRICT`` constraints on join tables are not
 effective, since the join table rows are removed first. Removal of join table
-rows happens through specialized methods in entity and collection persisterr
+rows happens through specialized methods in entity and collection persister
 classes and take one query per entity and join table. In case the association
 uses a ``@JoinColumn`` configuration with ``onDelete="CASCADE"``, instead
 of using a dedicated ``DELETE`` query the database-level operation will be