diff --git a/core/modules/block/lib/Drupal/block/BlockBase.php b/core/modules/block/lib/Drupal/block/BlockBase.php
index 9e5bf6c..59a91e2 100644
--- a/core/modules/block/lib/Drupal/block/BlockBase.php
+++ b/core/modules/block/lib/Drupal/block/BlockBase.php
@@ -220,6 +220,11 @@ public function access() {
    * BlockBase::blockForm(). Most block plugins should not override this
    * method unless they need to alter the generic form elements.
    *
+   * @param array $form
+   *   The form definition array for the block configuration form.
+   * @param array $form_state
+   *   An array containing the current state of the configuration form.
+   *
    * @see \Drupal\block\BlockBase::blockForm()
    */
   public function form($form, &$form_state) {
@@ -416,9 +421,12 @@ public function blockForm($form, &$form_state) {
    * Implements \Drupal\block\BlockInterface::validate().
    *
    * Most block plugins should not override this method. To add validation
-   * for a specific block type, override BlockBase::blockValdiate().
+   * for a specific block type, override BlockBase::blockValidate().
    *
-   * @todo Add inline documentation to this method.
+   * @param $array form
+   *   The form definition array for the block configuration form.
+   * @param array $form_state
+   *   An array containing the current state of the configuration form.
    *
    * @see \Drupal\block\BlockBase::blockValidate()
    */
@@ -458,7 +466,10 @@ public function blockValidate($form, &$form_state) {}
    * Most block plugins should not override this method. To add submission
    * handling for a specific block type, override BlockBase::blockSubmit().
    *
-   * @todo Add inline documentation to this method.
+   * @param array $form
+   *   The form definition array for the full block configuration form.
+   * @param array $form_state
+   *   An array containing the current state of the configuration form.
    *
    * @see \Drupal\block\BlockBase::blockSubmit()
    */