diff --git a/core/modules/path/src/Plugin/Field/FieldType/PathFieldItemList.php b/core/modules/path/src/Plugin/Field/FieldType/PathFieldItemList.php
index 498636e..52db66b 100644
--- a/core/modules/path/src/Plugin/Field/FieldType/PathFieldItemList.php
+++ b/core/modules/path/src/Plugin/Field/FieldType/PathFieldItemList.php
@@ -53,6 +53,9 @@ public function isEmpty() {
   /**
    * Automatically create the first item for computed fields.
    *
+   * This ensures that ::getValue() and ::isEmpty() calls will behave like a
+   * non-computed field.
+   *
    * @todo: Move this to the base class in https://www.drupal.org/node/2392845.
    */
   protected function ensureLoaded() {
diff --git a/core/modules/path/src/Plugin/Field/FieldType/PathItem.php b/core/modules/path/src/Plugin/Field/FieldType/PathItem.php
index 0446329..85b1caf 100644
--- a/core/modules/path/src/Plugin/Field/FieldType/PathItem.php
+++ b/core/modules/path/src/Plugin/Field/FieldType/PathItem.php
@@ -123,6 +123,12 @@ public static function mainPropertyName() {
 
   /**
    * Ensures the alias properties are loaded if available.
+   *
+   * This ensures that the properties will always be loaded and act like
+   * non-computed fields when calling ::__get() and getValue().
+   *
+   * @todo: Determine if this should be moved to the base class in
+   * https://www.drupal.org/node/2392845.
    */
   protected function ensureLoaded() {
     if (!$this->isLoaded) {