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diff --git a/doc/database/db_2fa_recovery_codes.md b/doc/database/db_2fa_recovery_codes.md
index aec9bbd559..69c34e6547 100644
--- a/doc/database/db_2fa_recovery_codes.md
+++ b/doc/database/db_2fa_recovery_codes.md
@@ -1,12 +1,30 @@
 Table 2fa_recovery_codes
 ===========
+
 Two-factor authentication recovery codes
 
-| Field | Description | Type | Null | Key | Default | Extra |
-| ----- | ----------- | ---- | ---- | --- | ------- | ----- |
-| uid | User ID | mediumint unsigned | YES | PRI | NULL |  |    
-| code | Recovery code string | varchar(50) | YES | PRI | NULL |  |    
-| generated | Datetime the code was generated | datetime | YES |  | NULL |  |    
-| used | Datetime the code was used | datetime | NO |  | NULL |  |    
+Fields
+------
+
+| Field     | Description                     | Type               | Null | Key | Default | Extra |
+| --------- | ------------------------------- | ------------------ | ---- | --- | ------- | ----- |
+| uid       | User ID                         | mediumint unsigned | NO   | PRI | NULL    |       |
+| code      | Recovery code string            | varchar(50)        | NO   | PRI | NULL    |       |
+| generated | Datetime the code was generated | datetime           | NO   |     | NULL    |       |
+| used      | Datetime the code was used      | datetime           | YES  |     | NULL    |       |
+
+Indexes
+------------
+
+| Name    | Fields    |
+| ------- | --------- |
+| PRIMARY | uid, code |
+
+Foreign Keys
+------------
+
+| Field | Target Table | Target Field |
+|-------|--------------|--------------|
+| uid | [user](help/database/db_user) | uid |
 
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