make more clear which operations for which trigger types

source/reference/config/triggers.txt

@@ -96,8 +96,8 @@ Database Triggers
 
 Database trigger configurations conform to the base trigger schema with
 additional configuration options that specify which collection to watch and when
-to fire the trigger. The following fields exist in *database* trigger
-configuration files:
+to fire the trigger. The following fields exist in *database* and *deployment* 
+trigger configuration files:
 
 .. code-block:: json
    :caption: triggers/<trigger name>.json
@@ -150,12 +150,15 @@ configuration files:
      - A list of one or more :ref:`database operation
        types <database-event-operation-types>` that cause the trigger to fire.
 
-       Valid operations types:
+       Valid operations types for all triggers:
 
        - ``"INSERT"``
        - ``"UPDATE"``
        - ``"REPLACE"``
        - ``"DELETE"``
+
+       Valid operations types for database and deployment triggers: 
+
        - ``"CREATE_COLLECTION"``
        - ``"MODIFY_COLLECTION"``
        - ``"RENAME_COLLECTION"``
@@ -165,6 +168,9 @@ configuration files:
        - ``"REFINE_COLLECTION_SHARD_KEY"``
        - ``"CREATE_INDEXES"``
        - ``"DROP_INDEXES"``
+
+       Valid operations types for deployment triggers only:
+
        - ``"DROP_DATABASE"``
 
        .. tip::