diff --git a/modules/field_ui/field_ui.test b/modules/field_ui/field_ui.test
index 80ddd1f523f54732f0480c5b1db4d1c691b1d95a..9bf73f7df1372f1e7ff90d7d537a53a34e2bf9b1 100644
--- a/modules/field_ui/field_ui.test
+++ b/modules/field_ui/field_ui.test
@@ -34,6 +34,12 @@ class FieldUITestCase extends DrupalWebTestCase {
     $this->field_name = 'field_' . strtolower($this->randomName(8));
   }
 
+  /**
+   * Main entry point for the field CRUD tests.
+   *
+   * In order to act on the same fields, and not create the fields over and over
+   * again the following tests create, update and delete the same fields.
+   */
   function testCRUDFields() {
     $this->manageFieldsPage();
     $this->createField();