diff --git a/src/Form/AdminConfig/WebformAdminConfigElementsForm.php b/src/Form/AdminConfig/WebformAdminConfigElementsForm.php
index 6a72cc402..4c28daa1c 100644
--- a/src/Form/AdminConfig/WebformAdminConfigElementsForm.php
+++ b/src/Form/AdminConfig/WebformAdminConfigElementsForm.php
@@ -454,6 +454,7 @@ class WebformAdminConfigElementsForm extends WebformAdminConfigBaseForm {
     foreach ($element_plugins as $element_id => $element_plugin) {
       $element_plugin_definition = $element_plugin->getPluginDefinition();
       $element_plugin_label = $element_plugin_definition['label'];
+      $element_plugin_description = $element_plugin_definition['description'];
       $element_plugin_states = [
         'disabled' => [
           ':input[name="excluded_elements[' . $element_id . ']"]' => ['checked' => FALSE],
@@ -463,7 +464,18 @@ class WebformAdminConfigElementsForm extends WebformAdminConfigBaseForm {
       $row = [];
 
       // Title.
-      $row['title'] = ['#markup' => $element_plugin_label];
+      $row['title'] = [
+        'title' => [
+          '#markup' => $element_plugin_label,
+          '#prefix' => '<strong>',
+          '#suffix' => '</strong>',
+        ],
+        'description' => [
+          '#markup' => $element_plugin_description,
+          '#prefix' => '<div>',
+          '#suffix' => '</div>',
+        ],
+      ];
 
       // ID.
       $row['id'] = ['#markup' => $element_id];
diff --git a/src/Plugin/WebformElement/WebformCodeMirror.php b/src/Plugin/WebformElement/WebformCodeMirror.php
index b739ff209..4fd5a163d 100644
--- a/src/Plugin/WebformElement/WebformCodeMirror.php
+++ b/src/Plugin/WebformElement/WebformCodeMirror.php
@@ -13,7 +13,7 @@ use Drupal\webform\WebformSubmissionInterface;
  * @WebformElement(
  *   id = "webform_codemirror",
  *   label = @Translation("CodeMirror"),
- *   description = @Translation("Provides a form element for editing code in a number of programming languages and markup."),
+ *   description = @Translation("Provides a form element for editing code in a number of programming languages and markup. Code editing support is provided by the CodeMirror library (https://codemirror.net)."),
  *   category = @Translation("Advanced elements"),
  *   multiline = TRUE,
  * )
diff --git a/src/Plugin/WebformElement/WebformRating.php b/src/Plugin/WebformElement/WebformRating.php
index 3b2da032e..a9edc49ce 100644
--- a/src/Plugin/WebformElement/WebformRating.php
+++ b/src/Plugin/WebformElement/WebformRating.php
@@ -13,7 +13,7 @@ use Drupal\webform\WebformSubmissionInterface;
  * @WebformElement(
  *   id = "webform_rating",
  *   label = @Translation("Rating"),
- *   description = @Translation("Provides a form element to rate something using an attractive voting widget."),
+ *   description = @Translation("Provides a form element to rate something using an attractive voting widget. Rating widget is provided by the RateIt library (https://github.com/gjunge/rateit.js)."),
  *   category = @Translation("Advanced elements"),
  * )
  */
diff --git a/src/Plugin/WebformElement/WebformSignature.php b/src/Plugin/WebformElement/WebformSignature.php
index 99a360583..64a0cbc16 100644
--- a/src/Plugin/WebformElement/WebformSignature.php
+++ b/src/Plugin/WebformElement/WebformSignature.php
@@ -23,7 +23,7 @@ use Symfony\Component\DependencyInjection\ContainerInterface;
  * @WebformElement(
  *   id = "webform_signature",
  *   label = @Translation("Signature"),
- *   description = @Translation("Provides a form element to collect electronic signatures from users."),
+ *   description = @Translation("Provides a form element to collect electronic signatures from users. Signature support is by the Signature Pad library (https://github.com/szimek/signature_pad)"),
  *   category = @Translation("Advanced elements"),
  * )
  */