Issue #3347488: Fixed a typo in the fieldset "Setup Plugin Settings"

src/Form/HMConfigForm.php

@@ -90,7 +90,7 @@ class HMConfigForm extends ConfigFormBase {
     $form['setup_plugin_settings'] = [
       '#type' => 'fieldset',
       '#title' => $this->t('Setup Plugin Settings'),
-      '#descrption' => $this->t('Setup plugin advanced settings.'),
+      '#description' => $this->t('Setup plugin advanced settings.'),
       '#tree' => TRUE,
     ];
     foreach ($setup_plugins_labels as $key => $val) {