diff --git a/sources/locale/src/LocaleSourcePluginUi.php b/sources/locale/src/LocaleSourcePluginUi.php
index 0701390..e4ed6b6 100644
--- a/sources/locale/src/LocaleSourcePluginUi.php
+++ b/sources/locale/src/LocaleSourcePluginUi.php
@@ -94,7 +94,10 @@ class LocaleSourcePluginUi extends SourcePluginUiBase {
   }
 
   /**
-   * Implements TMGMTSourceUIControllerInterface::overviewForm().
+   *
+   *
+   * {@inheritdoc}
+   *
    */
   public function overviewForm(array $form, FormStateInterface $form_state, $type) {
     $form = parent::overviewForm($form, $form_state, $type);
@@ -243,7 +246,9 @@ class LocaleSourcePluginUi extends SourcePluginUiBase {
   }
 
   /**
-   * Implements TMGMTSourceUIControllerInterface::overviewFormSubmit().
+   *
+   *
+   * {@inheritdoc}
    */
   public function overviewFormSubmit(array $form, FormStateInterface $form_state, $type) {
     // Handle search redirect.
diff --git a/src/SourcePluginUiBase.php b/src/SourcePluginUiBase.php
index 25ef2f5..003827e 100644
--- a/src/SourcePluginUiBase.php
+++ b/src/SourcePluginUiBase.php
@@ -47,7 +47,17 @@ class SourcePluginUiBase extends PluginBase implements SourcePluginUiInterface {
   }
 
   /**
-   * {@inheritdoc}
+   * Builds search form for entity sources overview.
+   *
+   * @param array $form
+   *   Drupal form array.
+   * @param FormStateInterface $form_state
+   *   Drupal form_state array.
+   * @param string $type
+   *   Entity type.
+   *
+   * @return array
+   *   Drupal form array.
    */
   public function overviewForm(array $form, FormStateInterface $form_state, $type) {
     $form += $this->overviewSearchFormPart($form, $form_state, $type);
@@ -71,7 +81,15 @@ class SourcePluginUiBase extends PluginBase implements SourcePluginUiInterface {
   }
 
   /**
-   * {@inheritdoc}
+   * Builds search form for entity sources overview.
+   *
+   * @param array $form
+   *   Drupal form array.
+   * @param FormStateInterface $form_state
+   *   Drupal form_state array.
+   * @param string $type
+   *   Entity type.
+   *
    */
   public function overviewFormSubmit(array $form, FormStateInterface $form_state, $type) {
     // Nothing to do here by default.