diff --git a/Documentation/database_mcd.puml b/Documentation/database_mcd.puml
index e698a69..710dfee 100644
--- a/Documentation/database_mcd.puml
+++ b/Documentation/database_mcd.puml
@@ -2,12 +2,10 @@
 
 object Account {
     <u>id
-    name
-    age
     email
-    phoneNumber
-    passwordHash
-    profilePicture
+    username
+    token
+    hash
 }
 
 object Team {
@@ -26,7 +24,7 @@ object TacticFolder {
 object Tactic {
     <u>id_json
     name
-    creationDate
+    creation_date
 }
 
 usecase have_team [
@@ -63,6 +61,10 @@ usecase contains_other_folder [
     to contain
 ]
 
+usecase owns [
+    owns
+]
+
 Account "0,n" -- have_team
 have_team -- "1,n" Team
 
@@ -73,6 +75,9 @@ shared_tactic_account -- "0,n" Tactic
 Tactic "0,n" -- shared_tactic_team
 shared_tactic_team -- "0,n" Team
 
+Tactic "1,1" -- owns
+owns -- Account
+
 Team "0,n"  -- shared_folder_team
 shared_folder_team -- "0,n"TacticFolder
 
diff --git a/public/api/index.php b/public/api/index.php
index 580f794..c5f8f2e 100644
--- a/public/api/index.php
+++ b/public/api/index.php
@@ -17,7 +17,6 @@ use App\Http\ViewHttpResponse;
 use App\Model\AuthModel;
 use App\Model\TacticModel;
 use App\Session\PhpSessionHandle;
-use App\Session\SessionHandle;
 use App\Validation\ValidationFail;
 
 function getTacticController(): APITacticController {
@@ -28,6 +27,9 @@ function getAuthController(): APIAuthController {
     return new APIAuthController(new AuthModel(new AccountGateway(new Connexion(get_database()))));
 }
 
+/**
+ * A Front controller action
+ */
 class Action {
     /**
      * @var callable(mixed[]): HttpResponse $action action to call
diff --git a/sql/setup-tables.sql b/sql/setup-tables.sql
index 457803c..26e58da 100644
--- a/sql/setup-tables.sql
+++ b/sql/setup-tables.sql
@@ -1,13 +1,7 @@
 -- drop tables here
-DROP TABLE IF EXISTS FormEntries;
 DROP TABLE IF EXISTS Account;
-DROP TABLE IF EXISTS TacticInfo;
+DROP TABLE IF EXISTS Tactic;
 
-CREATE TABLE FormEntries
-(
-    name        varchar NOT NULL,
-    description varchar NOT NULL
-);
 CREATE TABLE Account
 (
     id       integer PRIMARY KEY AUTOINCREMENT,
@@ -17,7 +11,7 @@ CREATE TABLE Account
     hash     varchar        NOT NULL
 );
 
-CREATE TABLE TacticInfo
+CREATE TABLE Tactic
 (
     id            integer PRIMARY KEY AUTOINCREMENT,
     name          varchar                             NOT NULL,
diff --git a/src/Gateway/TacticInfoGateway.php b/src/Gateway/TacticInfoGateway.php
index efa0a7c..3075f69 100644
--- a/src/Gateway/TacticInfoGateway.php
+++ b/src/Gateway/TacticInfoGateway.php
@@ -18,7 +18,7 @@ class TacticInfoGateway {
 
     public function get(int $id): ?TacticInfo {
         $res = $this->con->fetch(
-            "SELECT * FROM TacticInfo WHERE id = :id",
+            "SELECT * FROM Tactic WHERE id = :id",
             [":id" => [$id, PDO::PARAM_INT]]
         );
 
@@ -33,14 +33,14 @@ class TacticInfoGateway {
 
     public function insert(string $name, int $owner): TacticInfo {
         $this->con->exec(
-            "INSERT INTO TacticInfo(name, owner) VALUES(:name, :owner)",
+            "INSERT INTO Tactic(name, owner) VALUES(:name, :owner)",
             [
                 ":name" => [$name, PDO::PARAM_STR],
                 ":owner" => [$owner, PDO::PARAM_INT],
             ]
         );
         $row = $this->con->fetch(
-            "SELECT id, creation_date, owner FROM TacticInfo WHERE :id = id",
+            "SELECT id, creation_date, owner FROM Tactic WHERE :id = id",
             [':id' => [$this->con->lastInsertId(), PDO::PARAM_INT]]
         )[0];
         return new TacticInfo(intval($row["id"]), $name, strtotime($row["creation_date"]), $row["owner"]);
@@ -48,7 +48,7 @@ class TacticInfoGateway {
 
     public function updateName(int $id, string $name): void {
         $this->con->exec(
-            "UPDATE TacticInfo SET name = :name WHERE id = :id",
+            "UPDATE Tactic SET name = :name WHERE id = :id",
             [
                 ":name" => [$name, PDO::PARAM_STR],
                 ":id" => [$id, PDO::PARAM_INT],
diff --git a/src/Session/MutableSessionHandle.php b/src/Session/MutableSessionHandle.php
index 64ee52f..1459819 100644
--- a/src/Session/MutableSessionHandle.php
+++ b/src/Session/MutableSessionHandle.php
@@ -4,9 +4,17 @@ namespace App\Session;
 
 use App\Data\Account;
 
+/**
+ * The mutable side of a session handle
+ */
 interface MutableSessionHandle extends SessionHandle {
-
+    /**
+     * @param string|null $url the url to redirect the user to after authentication.
+     */
     public function setInitialTarget(?string $url): void;
 
+    /**
+     * @param Account $account update the session's account
+     */
     public function setAccount(Account $account): void;
 }
diff --git a/src/Session/PhpSessionHandle.php b/src/Session/PhpSessionHandle.php
index 5568eb5..7d6b10b 100644
--- a/src/Session/PhpSessionHandle.php
+++ b/src/Session/PhpSessionHandle.php
@@ -4,8 +4,11 @@ namespace App\Session;
 
 use App\Data\Account;
 
+/**
+ * A PHP session handle
+ */
 class PhpSessionHandle implements MutableSessionHandle {
-    public static function init(): SessionHandle {
+    public static function init(): self {
         if (session_status() !== PHP_SESSION_NONE) {
             throw new \Exception("A php session is already started !");
         }
diff --git a/src/Session/SessionHandle.php b/src/Session/SessionHandle.php
index 2114877..663c78c 100644
--- a/src/Session/SessionHandle.php
+++ b/src/Session/SessionHandle.php
@@ -4,8 +4,20 @@ namespace App\Session;
 
 use App\Data\Account;
 
+/**
+ * An immutable session handle
+ */
 interface SessionHandle {
+    /**
+     * The initial target url if the user wanted to perform an action that requires authentication
+     * but has been required to login first in the application.
+     * @return string|null Get the initial targeted URL
+     */
     public function getInitialTarget(): ?string;
 
+    /**
+     * The session account if the user is logged in.
+     * @return Account|null
+     */
     public function getAccount(): ?Account;
 }