diff --git a/docs/list_of_tables_and_columns.rst b/docs/list_of_tables_and_columns.rst
index 9763c840..bfd8e150 100644
--- a/docs/list_of_tables_and_columns.rst
+++ b/docs/list_of_tables_and_columns.rst
@@ -907,6 +907,8 @@
    ``exposureTemperature``,float,"units: kelvin"
    ``experimentTypeId``,int,""
    ``purificationColumnId``,int,""
+   ``collectionMode``,enum,"The requested collection mode, possible values are auto, manual"
+   ``priority``,int,"The priority of this sample relative to others in the shipment"
    **EMMicroscope**,table,""
    ``emMicroscopeId``,int,""
    ``instrumentName``,varchar,""
diff --git a/schema/updates/2020_11_22_diffractionplan_priority_and_mode.sql b/schema/updates/2020_11_22_diffractionplan_priority_and_mode.sql
new file mode 100644
index 00000000..1f720f38
--- /dev/null
+++ b/schema/updates/2020_11_22_diffractionplan_priority_and_mode.sql
@@ -0,0 +1,7 @@
+INSERT INTO SchemaStatus (scriptName, schemaStatus) VALUES ('2020_11_22_diffractionplan_priority_and_mode.sql', 'ONGOING');
+
+ALTER TABLE `DiffractionPlan`
+	ADD `collectionMode` ENUM('auto', 'manual') NULL COMMENT 'The requested collection mode, possible values are auto, manual',
+	ADD `priority` INT(4) NULL COMMENT 'The priority of this sample relative to others in the shipment';
+
+UPDATE SchemaStatus SET schemaStatus = 'DONE' where scriptName = '2020_11_22_diffractionplan_priority_and_mode.sql';