diff --git a/core/modules/block_content/src/BlockContentTypeForm.php b/core/modules/block_content/src/BlockContentTypeForm.php
index 6044917f16b33bfe08abb00e2085b031234981aa..2124518ddbfca84c9b7b49858dc19a3eaddd32dd 100644
--- a/core/modules/block_content/src/BlockContentTypeForm.php
+++ b/core/modules/block_content/src/BlockContentTypeForm.php
@@ -35,7 +35,7 @@ public function form(array $form, FormStateInterface $form_state) {
       '#title' => $this->t('Label'),
       '#maxlength' => 255,
       '#default_value' => $block_type->label(),
-      '#description' => $this->t("The human-readable name for this block type, displayed on the <em>Block types</em> page."),
+      '#description' => $this->t("Provide a label for this block type to help identify it in the administration pages."),
       '#required' => TRUE,
     ];
     $form['id'] = [
@@ -44,14 +44,13 @@ public function form(array $form, FormStateInterface $form_state) {
       '#machine_name' => [
         'exists' => '\Drupal\block_content\Entity\BlockContentType::load',
       ],
-      '#description' => $this->t("Unique machine-readable name: lowercase letters, numbers, and underscores only."),
       '#maxlength' => EntityTypeInterface::BUNDLE_MAX_LENGTH,
     ];
 
     $form['description'] = [
       '#type' => 'textarea',
       '#default_value' => $block_type->getDescription(),
-      '#description' => $this->t('Displays on the <em>Block types</em> page.'),
+      '#description' => $this->t('Enter a description for this block type.'),
       '#title' => $this->t('Description'),
     ];
 
diff --git a/core/modules/comment/src/CommentTypeForm.php b/core/modules/comment/src/CommentTypeForm.php
index c4cea6f51e7a0b024a251eb101d6e30c95e00730..37b1bf973b6283480930842707b69ef78981641c 100644
--- a/core/modules/comment/src/CommentTypeForm.php
+++ b/core/modules/comment/src/CommentTypeForm.php
@@ -3,8 +3,8 @@
 namespace Drupal\comment;
 
 use Drupal\Core\Entity\EntityForm;
-use Drupal\Core\Entity\EntityTypeInterface;
 use Drupal\Core\Entity\EntityTypeManagerInterface;
+use Drupal\Core\Entity\EntityTypeInterface;
 use Drupal\Core\Entity\FieldableEntityInterface;
 use Drupal\Core\Form\FormStateInterface;
 use Drupal\language\Entity\ContentLanguageSettings;
@@ -79,7 +79,6 @@ public function form(array $form, FormStateInterface $form_state) {
       '#title' => $this->t('Label'),
       '#maxlength' => 255,
       '#default_value' => $comment_type->label(),
-      '#description' => $this->t('The human-readable name for this comment type, displayed on the <em>Comment types</em> page.'),
       '#required' => TRUE,
     ];
     $form['id'] = [
@@ -88,7 +87,6 @@ public function form(array $form, FormStateInterface $form_state) {
       '#machine_name' => [
         'exists' => '\Drupal\comment\Entity\CommentType::load',
       ],
-      '#description' => $this->t('Unique machine-readable name: lowercase letters, numbers, and underscores only.'),
       '#maxlength' => EntityTypeInterface::BUNDLE_MAX_LENGTH,
       '#disabled' => !$comment_type->isNew(),
     ];
@@ -96,7 +94,7 @@ public function form(array $form, FormStateInterface $form_state) {
     $form['description'] = [
       '#type' => 'textarea',
       '#default_value' => $comment_type->getDescription(),
-      '#description' => $this->t('Displays on the <em>Comment types</em> page.'),
+      '#description' => $this->t('Describe this comment type. The text will be displayed on the <em>Comment types</em> administration overview page.'),
       '#title' => $this->t('Description'),
     ];
 
diff --git a/core/modules/media/src/MediaTypeForm.php b/core/modules/media/src/MediaTypeForm.php
index ee815dd21c3744d06347fe164ee76aad9912f5e0..64adc89cfb29cb6b1ede9f44b6c0960724107f14 100644
--- a/core/modules/media/src/MediaTypeForm.php
+++ b/core/modules/media/src/MediaTypeForm.php
@@ -97,7 +97,7 @@ public function form(array $form, FormStateInterface $form_state) {
       '#title' => $this->t('Name'),
       '#type' => 'textfield',
       '#default_value' => $this->entity->label(),
-      '#description' => $this->t('The human-readable name for this media type, displayed on the <em>Media types</em> page.'),
+      '#description' => $this->t('The human-readable name of this media type.'),
       '#required' => TRUE,
       '#size' => 30,
     ];
@@ -110,14 +110,14 @@ public function form(array $form, FormStateInterface $form_state) {
       '#machine_name' => [
         'exists' => [MediaType::class, 'load'],
       ],
-      '#description' => $this->t('Unique machine-readable name: lowercase letters, numbers, and underscores only.'),
+      '#description' => $this->t('A unique machine-readable name for this media type.'),
     ];
 
     $form['description'] = [
       '#title' => $this->t('Description'),
       '#type' => 'textarea',
       '#default_value' => $this->entity->getDescription(),
-      '#description' => $this->t('Displays on the <em>Media types</em> page.'),
+      '#description' => $this->t('Describe this media type. The text will be displayed on the <em>Add new media</em> page.'),
     ];
 
     $plugins = $this->sourceManager->getDefinitions();
diff --git a/core/modules/node/src/NodeTypeForm.php b/core/modules/node/src/NodeTypeForm.php
index 5746739a8f8c5cc8275dc225d5c688982ccd6a32..f4742b570f02dd4ba8b0b584323ffd5e3a0b4988 100644
--- a/core/modules/node/src/NodeTypeForm.php
+++ b/core/modules/node/src/NodeTypeForm.php
@@ -69,7 +69,7 @@ public function form(array $form, FormStateInterface $form_state) {
       '#title' => $this->t('Name'),
       '#type' => 'textfield',
       '#default_value' => $type->label(),
-      '#description' => $this->t('The human-readable name for this content type, displayed on the <em>Content types</em> page.'),
+      '#description' => $this->t('The human-readable name of this content type. This text will be displayed as part of the list on the <em>Add content</em> page. This name must be unique.'),
       '#required' => TRUE,
       '#size' => 30,
     ];
@@ -83,7 +83,7 @@ public function form(array $form, FormStateInterface $form_state) {
         'exists' => ['Drupal\node\Entity\NodeType', 'load'],
         'source' => ['name'],
       ],
-      '#description' => $this->t('Unique machine-readable name: lowercase letters, numbers, and underscores only.', [
+      '#description' => $this->t('A unique machine-readable name for this content type. It must only contain lowercase letters, numbers, and underscores. This name will be used for constructing the URL of the %node-add page.', [
         '%node-add' => $this->t('Add content'),
       ]),
     ];
@@ -92,7 +92,7 @@ public function form(array $form, FormStateInterface $form_state) {
       '#title' => $this->t('Description'),
       '#type' => 'textarea',
       '#default_value' => $type->getDescription(),
-      '#description' => $this->t('Displays on the <em>Content types</em> page.'),
+      '#description' => $this->t('This text will be displayed on the <em>Add new content</em> page.'),
     ];
 
     $form['additional_settings'] = [