diff --git a/README.md b/README.md
index 0152985..ca0890c 100644
--- a/README.md
+++ b/README.md
@@ -62,14 +62,19 @@ place.
 
 # USING:
 
-In general, consult the NaCl documentation at
+In general, consult the libsodium documentation at
+
+    https://download.libsodium.org/doc/
+
+The original NaCl documentation is nowadays largely superceded by the
+libsodium documentation, but it is still worth a visit
 
 	https://nacl.cr.yp.to
 	
 but also note that our interface has full Edoc documentation,
 generated by executing
 
-	rebar doc
+	rebar3 doc
 	
 ## Hints