diff --git a/src/Home/TweetNaCl/TweetNaCl.ZC b/src/Home/TweetNaCl/TweetNaCl.ZC
index eb983d9a..d747a69f 100644
--- a/src/Home/TweetNaCl/TweetNaCl.ZC
+++ b/src/Home/TweetNaCl/TweetNaCl.ZC
@@ -867,4 +867,9 @@ I64 crypto_sign_open(U8 *m, U64 *mlen, U8 *sm, U64 n, U8 *pk)
   for (i = 0; i < n; i++) m[i] = sm[i + 64];
   *mlen = n;
   return 0;
-}
\ No newline at end of file
+}
+
+// U8 public_key[32];
+// U8 private_key[64];
+
+// crypto_box_keypair(public_key, private_key);