diff --git a/include/gmc.hrl b/include/gmc.hrl
index ad11244..4c715d3 100644
--- a/include/gmc.hrl
+++ b/include/gmc.hrl
@@ -13,7 +13,7 @@
 
 
 -record(key,
-        {name = ""           :: string(),
-         id   = <<>>         :: clutch:id(),
-         pair = #{}          :: #{public := binary(), secret := binary()},
-         type = {eddsa, 256} :: {Cipher :: atom, Bitsize :: pos_integer()}}).
+        {name = ""                      :: string(),
+         id   = <<>>                    :: clutch:id(),
+         pair = #{}                     :: #{public := binary(), secret := binary()},
+         type = {{eddsa, ed25519}, 256} :: {Cipher :: term(), Size :: pos_integer()}}).