diff --git a/src/Two/AbstractProvider.php b/src/Two/AbstractProvider.php
index 8924e2ad..3ac6cae4 100644
--- a/src/Two/AbstractProvider.php
+++ b/src/Two/AbstractProvider.php
@@ -489,7 +489,7 @@ protected function getCodeChallenge()
     }
 
     /**
-     * Returns the hash method used to calculate the PKCE code challenge
+     * Returns the hash method used to calculate the PKCE code challenge.
      *
      * @return string
      */
diff --git a/tests/Fixtures/OAuthTwoWithPKCETestProviderStub.php b/tests/Fixtures/OAuthTwoWithPKCETestProviderStub.php
index 5e1824f8..2b5789a2 100644
--- a/tests/Fixtures/OAuthTwoWithPKCETestProviderStub.php
+++ b/tests/Fixtures/OAuthTwoWithPKCETestProviderStub.php
@@ -2,7 +2,7 @@
 
 namespace Laravel\Socialite\Tests\Fixtures;
 
-class OAuthTwoWithPKCETestProviderStub extends OAuthTwoTestProviderStub 
+class OAuthTwoWithPKCETestProviderStub extends OAuthTwoTestProviderStub
 {
     protected $usesPKCE = true;
 }
diff --git a/tests/OAuthTwoTest.php b/tests/OAuthTwoTest.php
index 13fb3dd8..81297f6e 100644
--- a/tests/OAuthTwoTest.php
+++ b/tests/OAuthTwoTest.php
@@ -31,7 +31,7 @@ public function testRedirectGeneratesTheProperIlluminateRedirectResponseWithoutP
         $request->setLaravelSession($session = m::mock(Session::class));
 
         $state = null;
-        $closure = function($name, $stateInput) use (&$state) {
+        $closure = function ($name, $stateInput) use (&$state) {
             if ($name === 'state') {
                 $state = $stateInput;
 
@@ -58,7 +58,7 @@ public function testRedirectGeneratesTheProperIlluminateRedirectResponseWithPKCE
         $request->setLaravelSession($session = m::mock(Session::class));
 
         $state = null;
-        $sessionPutClosure = function($name, $value) use (&$state) {
+        $sessionPutClosure = function ($name, $value) use (&$state) {
             if ($name === 'state') {
                 $state = $value;
 
@@ -72,7 +72,7 @@ public function testRedirectGeneratesTheProperIlluminateRedirectResponseWithPKCE
             return false;
         };
 
-        $sessionPullClosure = function($name) {
+        $sessionPullClosure = function ($name) {
             if ($name === 'code_verifier') {
                 return self::$codeVerifier;
             }