diff -u b/core/modules/book/tests/src/Functional/BookTest.php b/core/modules/book/tests/src/Functional/BookTest.php
--- b/core/modules/book/tests/src/Functional/BookTest.php
+++ b/core/modules/book/tests/src/Functional/BookTest.php
@@ -566,7 +566,7 @@
     $this->assertSession()->responseContains($this->book->label());
 
     // Unpublish the top book page and confirm that the created book title is
-    // displayed for people who has 'view own unpublished content' permission.
+    // displayed for user which has 'view own unpublished content' permission.
     $this->drupalLogin($this->bookAuthor);
     $this->book->setUnpublished();
     $this->book->save();
@@ -574,8 +574,8 @@
     $this->drupalGet('book');
     $this->assertSession()->responseContains($this->book->label());
 
-    // Confirm that the created book title is displayed for
-    // people who has 'view any unpublished content' permission.
+    // Confirm that the created book title is displayed for user which has
+    // 'view any unpublished content' permission.
     $this->drupalLogin($this->adminUser);
     $this->drupalGet('book');
     $this->assertSession()->responseContains($this->book->label());