diff --git a/src/wip/cache/cache.pysty3 b/src/wip/cache/cache.pysty3
index c03f848..6337939 100644
--- a/src/wip/cache/cache.pysty3
+++ b/src/wip/cache/cache.pysty3
@@ -1,5 +1,17 @@
 __HEADER__(Cache definitions of previous LaTeX runs to avoid computations)
 
+
+
+%%%% This is just a proof of concept package,
+%%%% there is possibly more room for clean-up
+%%%% and / or speed-up etc.
+
+%%% Also, the provided 
+%%% \DeclareCachedDocumentCommand
+%%% is of course not really
+%%% useful and just for demonstration
+%%% purposes
+
 \bool_new:N \g__cache_cache_bool
 \int_new:N \g__cache_cache_version_document_int
 \int_new:N \g__cache_cache_version_aux_int