diff --git a/subjects/atm-management-system/README.md b/subjects/atm-management-system/README.md
index e353e2fd..c6879ed4 100644
--- a/subjects/atm-management-system/README.md
+++ b/subjects/atm-management-system/README.md
@@ -19,7 +19,7 @@ You will be provided with an ATM management system where users can do the follow
 - Check list of owned accounts
 - Make transactions
 
-> The application provided will just handle the **login**, the **creation of new accounts** and **checking the list of owned accounts**. The rest of the features must
+> The application provided will just handle the **login**, the **creation of new accounts** and **checking the list of owned accounts** but you can optimise and refactor the code. The rest of the features must
 > be implemented by yourself.
 
 ### File System
@@ -47,20 +47,20 @@ The `data` folder presented above will contain information about the users and t
 
 The format for the content saved in the file will be displayed like this :
 
-`users.txt` (name, password):
+`users.txt` (id, name, password):
 
 ```console
-Alice 1234password
-Michel password1234
+0 Alice 1234password
+1 Michel password1234
 ....
 ```
 
-`records.txt` (user name, account id, date of creation, country, phone nº, balance, type of account) :
+`records.txt` (id, user_id, user name, account id, date of creation, country, phone nº, balance, type of account) :
 
 ```console
-Alice 0 10/02/2020 german 986134231 11090830.00 current
-Michel 2 10/10/2021 portugal 914134431 1920.42 savings
-Alice 1 10/10/2000 finland 986134231 1234.21 savings
+0 0 Alice 0 10/02/2020 german 986134231 11090830.00 current
+1 1 Michel 2 10/10/2021 portugal 914134431 1920.42 savings
+2 0 Alice 1 10/10/2000 finland 986134231 1234.21 savings
 ....
 ```
 
@@ -114,6 +114,9 @@ You can also do more bonus features or update the terminal interface:
 - Encryption of passwords
 - Adding your own Makefile
 
+A relational database can also be added as a bonus. You can use the database at your choice, but we recommend you do use SQLite
+To know more about SQLite you can check the [SQLite page](https://www.sqlite.org/index.html).
+
 ### Example
 
 You can find an example of the final application [here](https://www.youtube.com/watch?v=xVtikDcGG2E). Do not forget that you are free to
diff --git a/subjects/atm-management-system/audit/README.md b/subjects/atm-management-system/audit/README.md
index f071f640..3d005b67 100644
--- a/subjects/atm-management-system/audit/README.md
+++ b/subjects/atm-management-system/audit/README.md
@@ -88,6 +88,8 @@
 
 ###### +Is the password saved in the file `"users.txt"` encrypted?
 
+###### +Did the student create a relational database? • 6
+
 ###### +Did the student make their own Makefile?
 
 ###### +Did the student add more features to the project?