diff --git a/core/modules/config/src/Tests/ConfigImportRecreateTest.php b/core/modules/config/src/Tests/ConfigImportRecreateTest.php
index 3d860e5..30dfd7d 100644
--- a/core/modules/config/src/Tests/ConfigImportRecreateTest.php
+++ b/core/modules/config/src/Tests/ConfigImportRecreateTest.php
@@ -86,7 +86,7 @@ public function testRecreateEntity() {
     $content_type->save();
 
     $this->configImporter->reset();
-    // A node type a field, an entity view display and an entity form display
+    // A node type, a field, an entity view display and an entity form display
     // will be recreated.
     $creates = $this->configImporter->getUnprocessedConfiguration('create');
     $deletes = $this->configImporter->getUnprocessedConfiguration('delete');
diff --git a/core/modules/hal/src/Tests/NormalizerTestBase.php b/core/modules/hal/src/Tests/NormalizerTestBase.php
index 7046201..621ce33 100644
--- a/core/modules/hal/src/Tests/NormalizerTestBase.php
+++ b/core/modules/hal/src/Tests/NormalizerTestBase.php
@@ -64,9 +64,9 @@ protected function setUp() {
     $this->installSchema('system', array('url_alias', 'router'));
     $this->installEntitySchema('user');
     $this->installEntitySchema('entity_test');
-    // If the class has node in the list of module install the entity schema
-    // since node provides a body field storage that causes tables to be created
-    // before the entity tables.
+    // If the test installs the Node module we need to install the node entity
+    // schema. This is because the Node module provides a body field storage
+    // that would cause tables to be created before the entity tables.
     $class = get_class($this);
     while ($class) {
       if (property_exists($class, 'modules')) {
diff --git a/core/modules/node/src/Tests/NodeBodyFieldStorageTest.php b/core/modules/node/src/Tests/NodeBodyFieldStorageTest.php
index a4d6fce..f4c56ce 100644
--- a/core/modules/node/src/Tests/NodeBodyFieldStorageTest.php
+++ b/core/modules/node/src/Tests/NodeBodyFieldStorageTest.php
@@ -32,7 +32,7 @@ class NodeBodyFieldStorageTest extends KernelTestBase {
   protected function setUp() {
     parent::setUp();
     $this->installSchema('system', 'sequences');
-    // For module unsintall.
+    // Necessary for module uninstall.
     $this->installSchema('user', 'users_data');
     $this->installEntitySchema('user');
     $this->installEntitySchema('node');
diff --git a/core/modules/system/src/Tests/Entity/EntityUnitTestBase.php b/core/modules/system/src/Tests/Entity/EntityUnitTestBase.php
index d1a5ae7..cc3150a 100644
--- a/core/modules/system/src/Tests/Entity/EntityUnitTestBase.php
+++ b/core/modules/system/src/Tests/Entity/EntityUnitTestBase.php
@@ -47,9 +47,9 @@ protected function setUp() {
     $this->installEntitySchema('user');
     $this->installEntitySchema('entity_test');
 
-    // If the class has node in the list of module install the entity schema
-    // since node provides a body field storage that causes tables to be created
-    // before the entity tables.
+    // If the test installs the Node module we need to install the node entity
+    // schema. This is because the Node module provides a body field storage
+    // that would cause tables to be created before the entity tables.
     $class = get_class($this);
     while ($class) {
       if (property_exists($class, 'modules')) {