Dialyzer clean.

1 files changed, 3 insertions, 3 deletions

diff --git a/src/x509.erl b/src/x509.erl
index 87d9c0c..7bbfb8e 100644
--- a/src/x509.erl
+++ b/src/x509.erl
@@ -56,7 +56,7 @@ self_signed(L) ->
     lists:filter(fun(Cert) -> signed_by_p(Cert, Cert) end, L).
 
 -spec detox(binary(), [binary()]) -> {binary(), binary()}.
-%% @doc Return the detoxed cet in LeafDer and the issuer leaf hash.
+%% @doc Return a detoxed LeafDer and its issuer.
 detox(LeafDer, ChainDer) ->
     detox_precert(LeafDer, nth(1, ChainDer), nth(2, ChainDer)).
 
@@ -64,7 +64,7 @@ detox(LeafDer, ChainDer) ->
 %% Private functions.
 
 -spec normalise_chain([binary()], [binary()], integer()) ->
-                             {false, reason()} | {true, list()}.
+                             {false, reason()} | {true, [binary()]}.
 %% @doc Verify that the leaf cert or precert has a valid chain back to
 %% an acceptable root cert. The order of certificates in the second
 %% argument is: leaf cert in head, chain in tail. Order of first
@@ -312,7 +312,7 @@ is_precert_signer(#'Certificate'{tbsCertificate = TBSCert}) ->
         _ -> false
     end.
 
--spec is_ca(#'TBSCertificate'{}) -> binary().
+-spec is_ca(#'TBSCertificate'{}) -> boolean().
 is_ca(#'TBSCertificate'{extensions = Extensions}) ->
     case pubkey_cert:select_extension(?'id-ce-basicConstraints', Extensions) of
         #'Extension'{critical = true, extnValue = Val} ->