diff --git a/config/reference.php b/config/reference.php
index e0ea2b9..0fe774d 100644
--- a/config/reference.php
+++ b/config/reference.php
@@ -127,7 +127,7 @@ use Symfony\Component\Config\Loader\ParamConfigurator as Param;
  * }
  * @psalm-type ServicesConfig = array{
  *     _defaults?: DefaultsType,
- *     _instanceof?: InstanceofType,
+ *     _instanceof?: array<class-string, InstanceofType>,
  *     ...<string, DefinitionType|AliasType|PrototypeType|StackType|ArgumentsType|null>
  * }
  * @psalm-type ExtensionType = array<string, mixed>
@@ -727,7 +727,7 @@ use Symfony\Component\Config\Loader\ParamConfigurator as Param;
  *             servicename?: scalar|Param|null, // Overrules dbname parameter if given and used as SERVICE_NAME or SID connection parameter for Oracle depending on the service parameter.
  *             sessionMode?: scalar|Param|null, // The session mode to use for the oci8 driver
  *             server?: scalar|Param|null, // The name of a running database server to connect to for SQL Anywhere.
- *             default_dbname?: scalar|Param|null, // Override the default database (postgres) to connect to for PostgreSQL connexion.
+ *             default_dbname?: scalar|Param|null, // Override the default database (postgres) to connect to for PostgreSQL connection.
  *             sslmode?: scalar|Param|null, // Determines whether or with what priority a SSL TCP/IP connection will be negotiated with the server for PostgreSQL.
  *             sslrootcert?: scalar|Param|null, // The name of a file containing SSL certificate authority (CA) certificate(s). If the file exists, the server's certificate will be verified to be signed by one of these authorities.
  *             sslcert?: scalar|Param|null, // The path to the SSL client certificate file for PostgreSQL.
@@ -773,7 +773,7 @@ use Symfony\Component\Config\Loader\ParamConfigurator as Param;
  *                 servicename?: scalar|Param|null, // Overrules dbname parameter if given and used as SERVICE_NAME or SID connection parameter for Oracle depending on the service parameter.
  *                 sessionMode?: scalar|Param|null, // The session mode to use for the oci8 driver
  *                 server?: scalar|Param|null, // The name of a running database server to connect to for SQL Anywhere.
- *                 default_dbname?: scalar|Param|null, // Override the default database (postgres) to connect to for PostgreSQL connexion.
+ *                 default_dbname?: scalar|Param|null, // Override the default database (postgres) to connect to for PostgreSQL connection.
  *                 sslmode?: scalar|Param|null, // Determines whether or with what priority a SSL TCP/IP connection will be negotiated with the server for PostgreSQL.
  *                 sslrootcert?: scalar|Param|null, // The name of a file containing SSL certificate authority (CA) certificate(s). If the file exists, the server's certificate will be verified to be signed by one of these authorities.
  *                 sslcert?: scalar|Param|null, // The path to the SSL client certificate file for PostgreSQL.
@@ -852,7 +852,7 @@ use Symfony\Component\Config\Loader\ParamConfigurator as Param;
  *                     lock_path?: scalar|Param|null, // Default: "%kernel.cache_dir%/doctrine/orm/slc/filelock"
  *                     lock_lifetime?: scalar|Param|null, // Default: 60
  *                     type?: scalar|Param|null, // Default: "default"
- *                     lifetime?: scalar|Param|null, // Default: 0
+ *                     lifetime?: scalar|Param|null, // Default: null
  *                     service?: scalar|Param|null,
  *                     name?: scalar|Param|null,
  *                 }>,
diff --git a/src/Entity/GivenAnswer.php b/src/Entity/GivenAnswer.php
index 64387da..bd778de 100644
--- a/src/Entity/GivenAnswer.php
+++ b/src/Entity/GivenAnswer.php
@@ -31,14 +31,14 @@ class GivenAnswer
     public function __construct(
         #[ORM\JoinColumn(nullable: false)]
         #[ORM\ManyToOne(inversedBy: 'givenAnswers')]
-        private(set) Candidate $candidate,
+        public private(set) Candidate $candidate,
 
         #[ORM\JoinColumn(nullable: false, onDelete: 'CASCADE')]
         #[ORM\ManyToOne]
-        private(set) Quiz $quiz,
+        public private(set) Quiz $quiz,
 
         #[ORM\JoinColumn(nullable: false)]
         #[ORM\ManyToOne(inversedBy: 'givenAnswers')]
-        private(set) Answer $answer,
+        public private(set) Answer $answer,
     ) {}
 }