diff --git a/src/Exceptions/NotImplementedException.php b/src/Exceptions/NotImplementedException.php
index d4a85dfc..4ae156f7 100644
--- a/src/Exceptions/NotImplementedException.php
+++ b/src/Exceptions/NotImplementedException.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Stancl\Tenancy\Exceptions;
 
 use Exception;
@@ -10,4 +12,4 @@ class NotImplementedException extends Exception
     {
         parent::__construct("The $class class does not implement the $method method. $extra");
     }
-}
\ No newline at end of file
+}
diff --git a/src/TenantManager.php b/src/TenantManager.php
index 6fe6c661..c176f437 100644
--- a/src/TenantManager.php
+++ b/src/TenantManager.php
@@ -217,7 +217,7 @@ class TenantManager
     {
         if (! method_exists($this->storage, 'findBy')) {
             throw new NotImplementedException(get_class($this->storage), 'findBy',
-                "This method was added to storage drivers provided by the package in 2.2.0 and will be part of the StorageDriver contract in 3.0.0."
+                'This method was added to storage drivers provided by the package in 2.2.0 and will be part of the StorageDriver contract in 3.0.0.'
             );
         }