diff --git a/core/modules/migrate_drupal/src/MigrationState.php b/core/modules/migrate_drupal/src/MigrationState.php
index 31ba1bb82c..fdbf64f14c 100644
--- a/core/modules/migrate_drupal/src/MigrationState.php
+++ b/core/modules/migrate_drupal/src/MigrationState.php
@@ -16,32 +16,33 @@
  * Menu module should be listed as will be upgraded. If any one of the
  * migrations are not finished then it should be listed as will not be upgraded.
  * There is not enough information in the existing system to determine if a
- * source module has a complete upgrade path or not.
+ * source module has a complete upgrade path or not or even if it does not need
+ * an upgrade path.
  *
- * The solution is for each Drupal 8 module that is, or will be, providing
- * an upgrade path to declare the state of each path for Drupal 6 and/or
- * Drupal 7. The upgrade path is either 'finished' or  'not_finished'. A path
- * marked 'finished' is used for source module/destination module pairs that are
- * complete in a given module, irregardless if another module is also providing
- * migrations for the same pair. A path marked 'not_finished' is used when all
- * the migrations for the source module/destination module pair do not yet exist
- * in a given module.
+ * The solution is for every Drupal 8 module that is the successor to a Drupal 6
+ * or Drupal 7 module to declare the state of the upgrade paths for Drupal 6
+ * and/or Drupal 7. The upgrade path is either 'finished' or 'not_finished'. A
+ * A marked 'finished' is used for source module/destination module pairs that
+ * are complete in a given module, irregardless if another module is also
+ * providing migrations for the same pair. A path marked 'not_finished' is used
+ * when all the migrations for the source module/destination module pair do not
+ * yet exist in a given module.
  *
- * Modules inform the upgrade process of the upgrade paths that they provide, or
- * will provide, by adding them to their <module_name>.migrate_drupal.yml file.
+ * Modules inform the upgrade process of the upgrade paths by adding them to
+ * their <module_name>.migrate_drupal.yml file.
  *
- * The <module_name>.migrate_drupal.yml file may use the following structure:
+ * The <module_name>.migrate_drupal.yml file uses the following structure:
  * - finished: (optional) List of the source_module/destination_module pairs
  * for the migrations that this module provides and are complete.
  *   - version: A Drupal legacy version number.
- *   - source module: A list of destination modules.
+ *   - source module: A comma separated list of destination modules.
  * - not_finished: (optional) List of the source_module/destination_module pairs
  * that this module provides, or will be providing, that are incomplete or do
  * not yet exist.
  *   - version: A Drupal legacy version number.
- *   - source_module: A list of destination modules.
+ *   - source_module: A comma separated list of destination modules.
  *
- * Example:
+ * Examples:
  * @code
  * finished:
  *   6:
@@ -58,10 +59,18 @@
  * Drupal 6 and Drupal 7 Node modules to the Drupal 8 Node module and for data
  * from the Drupal 7 Entity Translation module to the Drupal 8 Node module.
  *
- * This module also plans on providing an upgrade path for data from the
- * Drupal 7 Commerce Product module to the Drupal 8 Commerce Product module
- * but either no migrations exist or some do and more migrations need to be
- * created to finish the upgrade path.
+ * @code
+ * finished:
+ *   6:
+ *     pirate: pirate
+ *   7:
+ *     pirate: pirate
+ * @endcode
+ *
+ * The Pirate module does not require an upgrade path. By declaring the upgrade
+ * finished the Pirate module will be included in the finished list. That is,
+ * as long as no other module has an entry "pirate: <any module name>' in its
+ * not_finished section.
  */
 class MigrationState {
 
@@ -232,13 +241,13 @@ public function getMigrationStates() {
    *
    * If there are no migrations for a module and the module is listed in the
    * NoUpgradePath list then the state is set to FINISHED. If it is not listed
-   * in NoUpgradePath list the state is to NOT_FINISHED.
+   * in NoUpgradePath list the state is set to NOT_FINISHED.
    *
-   * When there are migrations for a module the following happens. If the
+   * If there are migrations for a module the following happens. If the
    * destination module is 'core' the state is set to FINISHED. If there are
    * any occurrences of 'not_finished' in the *.migrate_drupal.yml information
-   * for this source module then the state is set to NOT_FINISHED otherwise the
-   * state is set to FINISHED.
+   * for this source module then the state is set to NOT_FINISHED. And finally,
+   * if there is an occurrence of 'finished' the state is set to FINISHED.
    *
    * @param string $version
    *   The legacy drupal version.
diff --git a/core/modules/migrate_drupal_ui/src/Form/ReviewForm.php b/core/modules/migrate_drupal_ui/src/Form/ReviewForm.php
index 8ffe1305c5..6982dbe9e6 100644
--- a/core/modules/migrate_drupal_ui/src/Form/ReviewForm.php
+++ b/core/modules/migrate_drupal_ui/src/Form/ReviewForm.php
@@ -159,7 +159,6 @@ public function buildForm(array $form, FormStateInterface $form_state) {
       '#type' => 'table',
       '#header' => [
         $this->t('Drupal @version', ['@version' => $version]),
-        $this->t('Drupal 8'),
       ],
     ];
 
@@ -181,9 +180,6 @@ public function buildForm(array $form, FormStateInterface $form_state) {
               ],
             ],
           ],
-          'destination_module' => [
-            '#plain_text' => $destination_modules,
-          ],
         ];
       }
     }