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diff --git a/doc/database/db_notification.md b/doc/database/db_notification.md
index 866d775274..ff059c344f 100644
--- a/doc/database/db_notification.md
+++ b/doc/database/db_notification.md
@@ -1,17 +1,45 @@
 Table notification
 ===========
+
 notifications
 
-| Field         | Description                                                                    | Type               | Null | Key | Default | Extra          |    
-| ------------- | ------------------------------------------------------------------------------ | ------------------ | ---- | --- | ------- | -------------- |    
-| id            | sequential ID                                                                  | int unsigned       | NO   | PRI | NULL    | auto_increment |    
-| uid           | Owner User id                                                                  | mediumint unsigned | YES  |     | NULL    |                |    
-| vid           | Id of the verb table entry that contains the activity verbs                    | smallint unsigned  | YES  |     | NULL    |                |    
-| type          |                                                                                | tinyint unsigned   | YES  |     | NULL    |                |    
-| actor-id      | Link to the contact table with uid=0 of the actor that caused the notification | int unsigned       | YES  |     | NULL    |                |    
-| target-uri-id | Item-uri id of the related post                                                | int unsigned       | YES  |     | NULL    |                |    
-| parent-uri-id | Item-uri id of the parent of the related post                                  | int unsigned       | YES  |     | NULL    |                |    
-| created       |                                                                                | datetime           | YES  |     | NULL    |                |    
-| seen          |                                                                                | boolean            | YES  |     | 0       |                |    
+Fields
+------
+
+| Field         | Description                                                                    | Type               | Null | Key | Default | Extra          |
+| ------------- | ------------------------------------------------------------------------------ | ------------------ | ---- | --- | ------- | -------------- |
+| id            | sequential ID                                                                  | int unsigned       | NO   | PRI | NULL    | auto_increment |
+| uid           | Owner User id                                                                  | mediumint unsigned | YES  |     | NULL    |                |
+| vid           | Id of the verb table entry that contains the activity verbs                    | smallint unsigned  | YES  |     | NULL    |                |
+| type          |                                                                                | tinyint unsigned   | YES  |     | NULL    |                |
+| actor-id      | Link to the contact table with uid=0 of the actor that caused the notification | int unsigned       | YES  |     | NULL    |                |
+| target-uri-id | Item-uri id of the related post                                                | int unsigned       | YES  |     | NULL    |                |
+| parent-uri-id | Item-uri id of the parent of the related post                                  | int unsigned       | YES  |     | NULL    |                |
+| created       |                                                                                | datetime           | YES  |     | NULL    |                |
+| seen          |                                                                                | boolean            | YES  |     | 0       |                |
+
+Indexes
+------------
+
+| Name                                | Fields                                          |
+| ----------------------------------- | ----------------------------------------------- |
+| PRIMARY                             | id                                              |
+| uid_vid_type_actor-id_target-uri-id | UNIQUE, uid, vid, type, actor-id, target-uri-id |
+| vid                                 | vid                                             |
+| actor-id                            | actor-id                                        |
+| target-uri-id                       | target-uri-id                                   |
+| parent-uri-id                       | parent-uri-id                                   |
+| seen_uid                            | seen, uid                                       |
+
+Foreign Keys
+------------
+
+| Field | Target Table | Target Field |
+|-------|--------------|--------------|
+| uid | [user](help/database/db_user) | uid |
+| vid | [verb](help/database/db_verb) | id |
+| actor-id | [contact](help/database/db_contact) | id |
+| target-uri-id | [item-uri](help/database/db_item-uri) | id |
+| parent-uri-id | [item-uri](help/database/db_item-uri) | id |
 
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