diff --git a/src/Controller/GenericRevisionController.php b/src/Controller/GenericRevisionController.php
index c1300fd..26df1c0 100644
--- a/src/Controller/GenericRevisionController.php
+++ b/src/Controller/GenericRevisionController.php
@@ -258,7 +258,7 @@ class GenericRevisionController extends EntityComparisonBase {
       // Second column.
       $row[] = array(
         'data' => $this->l(
-          $this->t('< Previous difference'), $this->diff_route($entity, $vids[$i - 1], $left_vid)
+          $this->t('< Previous difference'), $this->diffRoute($entity, $vids[$i - 1], $left_vid)
         ),
         'colspan' => 2,
         'class' => 'rev-navigation',
@@ -279,7 +279,7 @@ class GenericRevisionController extends EntityComparisonBase {
       // Forth column.
       $row[] = array(
         'data' => $this->l(
-          $this->t('Next difference >'), $this->diff_route($entity, $right_vid, $vids[$i])
+          $this->t('Next difference >'), $this->diffRoute($entity, $right_vid, $vids[$i])
         ),
         'colspan' => 2,
         'class' => 'rev-navigation',
@@ -305,11 +305,11 @@ class GenericRevisionController extends EntityComparisonBase {
   protected function buildMarkdownNavigation(EntityInterface $entity, $left_vid, $right_vid, $active_filter) {
     $links['raw'] = array(
       'title' => $this->t('Standard'),
-      'url' => $this->diff_route($entity, $left_vid, $right_vid),
+      'url' => $this->diffRoute($entity, $left_vid, $right_vid),
     );
     $links['raw_plain'] = array(
       'title' => $this->t('Markdown'),
-      'url' => $this->diff_route($entity, $left_vid, $right_vid, TRUE),
+      'url' => $this->diffRoute($entity, $left_vid, $right_vid, TRUE),
     );
 
     // Set as the first element the current filter.
@@ -343,7 +343,7 @@ class GenericRevisionController extends EntityComparisonBase {
    * @return \Drupal\Core\Url
    *   The URL object.
    */
-  protected function diff_route(EntityInterface $entity, $left_vid, $right_vid, $raw_plain = FALSE) {
+  protected function diffRoute(EntityInterface $entity, $left_vid, $right_vid, $raw_plain = FALSE) {
     $entity_type_id = $entity->getEntityTypeId();
     // @todo Remove the diff.revisions_diff route so we avoid adding extra cases.
     if ($entity->getEntityTypeId() == 'node') {