diff --git a/org_mode_samples/affiliated_keyword/optional_value.org b/org_mode_samples/affiliated_keyword/optional_value.org
index 99ebc24..3b77d4c 100644
--- a/org_mode_samples/affiliated_keyword/optional_value.org
+++ b/org_mode_samples/affiliated_keyword/optional_value.org
@@ -1,3 +1,8 @@
 #+CAPTION[foo]: *bar*
 #+CAPTION[*lorem* ipsum]: dolar
 1. baz
+
+
+#+CAPTION[foo]: *bar*
+#+CAPTION[*lorem* ipsum]: dolar
+# Comments cannot have affiliated keywords so those become regular keywords.
diff --git a/src/compare/compare_field.rs b/src/compare/compare_field.rs
index 1fd82aa..e56e316 100644
--- a/src/compare/compare_field.rs
+++ b/src/compare/compare_field.rs
@@ -416,8 +416,9 @@ where
 ///
 /// Org-mode seems to store these as a 3-deep list:
 ///   - Outer list with 1 element per #+caption keyword (or other parsed keyword).
-///   - Middle list that seems to always have 1 element.
-///   - Inner list of the objects from each #+caption keyword (or other parsed keyword).
+///   - Middle list which has:
+///     - first element is a list of objects representing the value after the colon.
+///     - every additional element is a list of objects from inside the square brackets (the optional value).
 pub(crate) fn compare_property_list_of_list_of_list_of_ast_nodes<
     'b,
     's,