diff --git a/README.md b/README.md
index f415943..69b60c1 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,6 @@
 Cyphernomicon
 =============
 
-Markdown version of Cyperhnomicon
+Markdown version of Cyphernomicon
+
+Source here: http://groups.csail.mit.edu/mac/classes/6.805/articles/crypto/cypherpunks/cyphernomicon/CP-FAQ