diff --git a/src/LtiMessageLaunch.php b/src/LtiMessageLaunch.php
index cfcd9150..00aec034 100644
--- a/src/LtiMessageLaunch.php
+++ b/src/LtiMessageLaunch.php
@@ -322,7 +322,7 @@ private function getPublicKey()
      * See https://datatracker.ietf.org/doc/html/rfc7517#section-4.4.
      */
     private function getKeyAlgorithm(array $key): string
-    { 
+    {
         if (isset($key['alg'])) {
             return $key['alg'];
         }