diff --git a/README.markdown b/README.markdown
index 48923158..38d3f05e 100644
--- a/README.markdown
+++ b/README.markdown
@@ -4,4 +4,6 @@ P(ortable|ackageable) NaCl
 Portable, cross-compilable, installable, packageable version of the NaCl
 crypto library.
 
-[WIP]
+## Caveats
+
+We are using ed25519 from SUPERCOP, as even DJB doesn't recommend using edwards25519sha512batch anymore - this will reach NaCL one day...