Update words to standardize terminology terms

js/Plugin/jstree/hm.jstree.js

@@ -62,7 +62,7 @@
                   else {
                     let drupalMessages = new Drupal.Message();
                     drupalMessages.clear();
-                    drupalMessages.add(Drupal.t("Can't drag this item. It may because it has multiple parents or ancestors."), {type: 'warning'});
+                    drupalMessages.add(Drupal.t("Cannot drag this item, possibly because it has multiple parents or ancestors."), {type: 'warning'});
                     return false;
                   }
                 }

src/Plugin/HmDisplayPlugin/HmDisplayJstree.php

@@ -59,7 +59,7 @@ class HmDisplayJstree extends HmDisplayPluginBase implements HmDisplayPluginInte
 
       $form['jstree'] = [
         '#type' => 'html_tag',
-        '#suffix' => '<div class="description">' . $this->t('Click a tree node to edit it.') . '<br>' . $this->t('The tree node is draggable and droppable') . '</div>',
+        '#suffix' => '<div class="description">' . $this->t('Click an item to edit it. Drag and drop items to change their position in the tree.') . '</div>',
         '#tag' => 'div',
         '#value' => '',
         '#attributes' => [