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diff --git a/doc/database/db_intro.md b/doc/database/db_intro.md
index 9eb68532c4..da0cbe26ab 100644
--- a/doc/database/db_intro.md
+++ b/doc/database/db_intro.md
@@ -1,18 +1,43 @@
 Table intro
 ===========
 
-| Field      | Description      | Type             | Null | Key | Default             | Extra          |
-|------------|------------------|------------------|------|-----|---------------------|----------------|
-| id         | sequential ID    | int(10) unsigned | NO   | PRI | NULL                | auto_increment |
-| uid        |                  | int(10) unsigned | NO   |     | 0                   |                |
-| fid        |                  | int(11)          | NO   |     | 0                   |                |
-| contact-id |                  | int(11)          | NO   |     | 0                   |                |
-| knowyou    |                  | tinyint(1)       | NO   |     | 0                   |                |
-| duplex     |                  | tinyint(1)       | NO   |     | 0                   |                |
-| note       |                  | text             | NO   |     | NULL                |                |
-| hash       |                  | varchar(255)     | NO   |     |                     |                |
-| datetime   |                  | datetime         | NO   |     | 0000-00-00 00:00:00 |                |
-| blocked    |                  | tinyint(1)       | NO   |     | 1                   |                |
-| ignore     |                  | tinyint(1)       | NO   |     | 0                   |                |
+
+
+Fields
+------
+
+| Field       | Description       | Type               | Null | Key | Default             | Extra          |
+| ----------- | ----------------- | ------------------ | ---- | --- | ------------------- | -------------- |
+| id          | sequential ID     | int unsigned       | NO   | PRI | NULL                | auto_increment |
+| uid         | User id           | mediumint unsigned | NO   |     | 0                   |                |
+| fid         | deprecated        | int unsigned       | YES  |     | NULL                |                |
+| contact-id  |                   | int unsigned       | NO   |     | 0                   |                |
+| suggest-cid | Suggested contact | int unsigned       | YES  |     | NULL                |                |
+| knowyou     |                   | boolean            | NO   |     | 0                   |                |
+| duplex      |                   | boolean            | NO   |     | 0                   |                |
+| note        |                   | text               | YES  |     | NULL                |                |
+| hash        |                   | varchar(255)       | NO   |     |                     |                |
+| datetime    |                   | datetime           | NO   |     | 0001-01-01 00:00:00 |                |
+| blocked     |                   | boolean            | NO   |     | 1                   |                |
+| ignore      |                   | boolean            | NO   |     | 0                   |                |
+
+Indexes
+------------
+
+| Name        | Fields      |
+| ----------- | ----------- |
+| PRIMARY     | id          |
+| contact-id  | contact-id  |
+| suggest-cid | suggest-cid |
+| uid         | uid         |
+
+Foreign Keys
+------------
+
+| Field | Target Table | Target Field |
+|-------|--------------|--------------|
+| uid | [user](help/database/db_user) | uid |
+| contact-id | [contact](help/database/db_contact) | id |
+| suggest-cid | [contact](help/database/db_contact) | id |
 
 Return to [database documentation](help/database)