diff --git a/google_vision.module b/google_vision.module
index ef7f5d2..a7f45f1 100644
--- a/google_vision.module
+++ b/google_vision.module
@@ -208,6 +208,8 @@ function google_vision_file_entity_add_labels($file, $field, $vid) {
 
 /**
  * Set the value for the alternative text field of the image file.
+ *
+ * @todo move to the service if there will be more helper functions like this.
  */
 function google_vision_set_alt_text($entity, $field) {
   // Initialize the output.
@@ -267,6 +269,8 @@ function google_vision_set_alt_text($entity, $field) {
 
 /**
  * Edit the current value of the Alt Text field of the image file.
+ *
+ * @todo move to the service if there will be more helper functions like this.
  */
 function google_vision_edit_alt_text($entity, $field, $value) {
   //Set the new value to the Alt Text field.