--- a/README.md	Mon Jun 22 13:23:12 2015 +0200
+++ b/README.md	Mon Jun 22 13:26:59 2015 +0200
@@ -20,5 +20,6 @@
                      Editor's drafts are kept.
 * [ED](ED) - The latest time-stamped Editor's drafts are placed here.
 * [WD](WD) - The latest time-stamped Working Drafts are placed here.
+* [prototypes](prototypes) - Code samples of prototypes built to test assumptions and elicit feedback on work in progress.