core/modules/user/src/Form/UserPasswordResetForm.php | 2 +-
 core/modules/user/src/Tests/UserLoginTest.php        | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/core/modules/user/src/Form/UserPasswordResetForm.php b/core/modules/user/src/Form/UserPasswordResetForm.php
index 490965a..69b4588 100644
--- a/core/modules/user/src/Form/UserPasswordResetForm.php
+++ b/core/modules/user/src/Form/UserPasswordResetForm.php
@@ -97,7 +97,7 @@ public function buildForm(array $form, FormStateInterface $form_state, AccountIn
   }
 
   /**
-   * {@inheritdoc}o
+   * {@inheritdoc}
    */
   public function submitForm(array &$form, FormStateInterface $form_state) {
     /** @var $user \Drupal\user\UserInterface */
diff --git a/core/modules/user/src/Tests/UserLoginTest.php b/core/modules/user/src/Tests/UserLoginTest.php
index 1ffdddc..6f85658 100644
--- a/core/modules/user/src/Tests/UserLoginTest.php
+++ b/core/modules/user/src/Tests/UserLoginTest.php
@@ -23,6 +23,8 @@ class UserLoginTest extends WebTestBase {
   function testCacheTags() {
     $this->drupalGet('user/login');
     $cache_tags = explode(' ', $this->drupalGetHeader('X-Drupal-Cache-Tags'));
+    // The user login form says "Enter your <site name> username.", hence it
+    // depends on config:system.site, and its cache tags should be present.
     $this->assertTrue(in_array('config:system.site', $cache_tags));
   }