diff --git a/README.md b/README.md
index 678d1de..6c1fe4c 100644
--- a/README.md
+++ b/README.md
@@ -2,10 +2,17 @@
 
 tarot cards in a recfile
 
-data from ekelen/tarot-api:
+## about
+
+descriptions from ekelen/tarot-api,
+which in turn gets its descriptions
+from AE White's 1911
+*The Pictorial Key to the Tarot*:
 
 https://github.com/ekelen/tarot-api
 
+https://sacred-texts.com/tarot/pkt/index.htm
+
 ascii art from lawreka/ascii-tarot:
 
 https://github.com/lawreka/ascii-tarot