documentation and env changes

src/Repository/SettingRepository.php

@@ -20,7 +20,7 @@ class SettingRepository extends ServiceEntityRepository
     }
 
     /**
-     * Returns a setting value falling back to the supplied default.
+     * Returns a setting value, falling back to the caller's default when missing.
      */
     public function getValue(string $name, ?string $default = null): ?string
     {
@@ -29,7 +29,7 @@ class SettingRepository extends ServiceEntityRepository
     }
 
     /**
-     * Persists the supplied configuration value.
+     * Persists or updates the supplied configuration value.
      */
     public function setValue(string $name, ?string $value): void
     {