diff --git a/core/modules/page_cache/tests/src/Functional/PageCacheTest.php b/core/modules/page_cache/tests/src/Functional/PageCacheTest.php
index 53fe01697b4acdcc7d34f544a6228cb9623ebebf..95d101abcd24bcc78307a11cd3b41d290fdb457c 100644
--- a/core/modules/page_cache/tests/src/Functional/PageCacheTest.php
+++ b/core/modules/page_cache/tests/src/Functional/PageCacheTest.php
@@ -501,12 +501,12 @@ public function testCacheableResponseResponses() {
     $config->save();
 
     // GET a URL, which would be marked as a cache miss if it were cacheable.
-    $this->drupalGet('/system-test/respond-reponse');
+    $this->drupalGet('/system-test/respond-response');
     $this->assertNull($this->drupalGetHeader('X-Drupal-Cache'), 'Drupal page cache header not found.');
     $this->assertEqual($this->drupalGetHeader('Cache-Control'), 'must-revalidate, no-cache, private', 'Cache-Control header was sent');
 
     // GET it again, verify it's still not cached.
-    $this->drupalGet('/system-test/respond-reponse');
+    $this->drupalGet('/system-test/respond-response');
     $this->assertNull($this->drupalGetHeader('X-Drupal-Cache'), 'Drupal page cache header not found.');
     $this->assertEqual($this->drupalGetHeader('Cache-Control'), 'must-revalidate, no-cache, private', 'Cache-Control header was sent');
 
@@ -521,12 +521,12 @@ public function testCacheableResponseResponses() {
     $this->assertEqual($this->drupalGetHeader('Cache-Control'), 'max-age=60, public', 'Cache-Control header was sent');
 
     // GET a URL, which should be marked as a cache miss.
-    $this->drupalGet('/system-test/respond-cacheable-reponse');
+    $this->drupalGet('/system-test/respond-cacheable-response');
     $this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'MISS', 'Page was not cached.');
     $this->assertEqual($this->drupalGetHeader('Cache-Control'), 'max-age=300, public', 'Cache-Control header was sent.');
 
     // GET it again, it should now be a cache hit.
-    $this->drupalGet('/system-test/respond-cacheable-reponse');
+    $this->drupalGet('/system-test/respond-cacheable-response');
     $this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'HIT', 'Page was cached.');
     $this->assertEqual($this->drupalGetHeader('Cache-Control'), 'max-age=300, public', 'Cache-Control header was sent.');
 
@@ -536,7 +536,7 @@ public function testCacheableResponseResponses() {
       ->uninstall(['page_cache']);
 
     // GET a URL that was cached by Page Cache before, it should not be now.
-    $this->drupalGet('/respond-cacheable-reponse');
+    $this->drupalGet('/respond-cacheable-response');
     $this->assertNull($this->drupalGetHeader('X-Drupal-Cache'), 'Drupal page cache header not found.');
   }
 
diff --git a/core/modules/system/tests/modules/system_test/src/Controller/SystemTestController.php b/core/modules/system/tests/modules/system_test/src/Controller/SystemTestController.php
index a309858d9eb7f3de67b9c738bbbc9550af5ccea5..dddfac8108aab7528d962c580500221a0da6fcd4 100644
--- a/core/modules/system/tests/modules/system_test/src/Controller/SystemTestController.php
+++ b/core/modules/system/tests/modules/system_test/src/Controller/SystemTestController.php
@@ -283,7 +283,7 @@ public function setHeader(Request $request) {
   /**
    * A simple page callback that uses a plain Symfony response object.
    */
-  public function respondWithReponse(Request $request) {
+  public function respondWithResponse(Request $request) {
     return new Response('test');
   }
 
@@ -297,7 +297,7 @@ public function respondWithPublicResponse() {
   /**
    * A simple page callback that uses a CacheableResponse object.
    */
-  public function respondWithCacheableReponse(Request $request) {
+  public function respondWithCacheableResponse(Request $request) {
     return new CacheableResponse('test');
   }
 
diff --git a/core/modules/system/tests/modules/system_test/system_test.routing.yml b/core/modules/system/tests/modules/system_test/system_test.routing.yml
index 521e7b2376ae3b0b1d1185ca479a70f4ca82b1a4..800a289c7c2b80dedf94712266a2311ab57f85dc 100644
--- a/core/modules/system/tests/modules/system_test/system_test.routing.yml
+++ b/core/modules/system/tests/modules/system_test/system_test.routing.yml
@@ -131,9 +131,9 @@ system_test.permission_dependent_route_access:
     _permission: 'pet llamas'
 
 system_test.respond_response:
-  path: '/system-test/respond-reponse'
+  path: '/system-test/respond-response'
   defaults:
-    _controller: '\Drupal\system_test\Controller\SystemTestController::respondWithReponse'
+    _controller: '\Drupal\system_test\Controller\SystemTestController::respondWithResponse'
   requirements:
     _access: 'TRUE'
 
@@ -145,9 +145,9 @@ system_test.respond_public_response:
     _access: 'TRUE'
 
 system_test.respond_cacheable_response:
-  path: '/system-test/respond-cacheable-reponse'
+  path: '/system-test/respond-cacheable-response'
   defaults:
-    _controller: '\Drupal\system_test\Controller\SystemTestController::respondWithCacheableReponse'
+    _controller: '\Drupal\system_test\Controller\SystemTestController::respondWithCacheableResponse'
   requirements:
     _access: 'TRUE'