core/modules/ckeditor/src/CKEditorPluginManager.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/modules/ckeditor/src/CKEditorPluginManager.php b/core/modules/ckeditor/src/CKEditorPluginManager.php
index 677bf99..87f6930 100644
--- a/core/modules/ckeditor/src/CKEditorPluginManager.php
+++ b/core/modules/ckeditor/src/CKEditorPluginManager.php
@@ -169,7 +169,7 @@ public function injectPluginSettingsForm(array &$form, array &$form_state, Edito
         // just provides buttons, don't do this if it's a contextually enabled
         // CKEditor plugin. After all, in the latter case, we can't know when
         // its settings should be shown!
-        if ($plugin instanceof CKEditorPluginButtonsInterface and !$plugin instanceof CKEditorPluginContextualInterface) {
+        if ($plugin instanceof CKEditorPluginButtonsInterface && !$plugin instanceof CKEditorPluginContextualInterface) {
           $form['plugins'][$plugin_id]['#attributes']['data-ckeditor-buttons'] = implode(' ', array_keys($plugin->getButtons()));
         }
         $form['plugins'][$plugin_id] += $plugin->settingsForm($plugin_settings_form, $form_state, $editor);