2 files changed, 4 insertions, 3 deletions
diff --git a/lib/pleroma/captcha/captcha_service.ex b/lib/pleroma/captcha/captcha_service.ex
index ae1d6e7c7..907a73ad0 100644
--- a/lib/pleroma/captcha/captcha_service.ex
+++ b/lib/pleroma/captcha/captcha_service.ex
@@ -1,5 +1,4 @@
 defmodule Pleroma.Captcha.Service do
-
   @doc """
   Request new captcha from a captcha service.
 
@@ -20,5 +19,5 @@ defmodule Pleroma.Captcha.Service do
 
   `true` if captcha is valid, `false` if not
   """
-  @callback validate(token :: String.t, captcha :: String.t) :: boolean
+  @callback validate(token :: String.t(), captcha :: String.t()) :: boolean
 end
diff --git a/lib/pleroma/captcha/kocaptcha.ex b/lib/pleroma/captcha/kocaptcha.ex
index abccbf6d3..173ce17f7 100644
--- a/lib/pleroma/captcha/kocaptcha.ex
+++ b/lib/pleroma/captcha/kocaptcha.ex
@@ -7,9 +7,11 @@ defmodule Pleroma.Captcha.Kocaptcha do
   @impl Service
   def new() do
     endpoint = Pleroma.Config.get!([__MODULE__, :endpoint])
+
     case HTTPoison.get(endpoint <> "/new") do
       {:error, _} ->
         %{error: "Kocaptcha service unavailable"}
+
       {:ok, res} ->
         json_resp = Poison.decode!(res.body)
 
@@ -25,7 +27,7 @@ defmodule Pleroma.Captcha.Kocaptcha do
   def validate(token, captcha) do
     with false <- is_nil(captcha),
          [{^token, saved_md5}] <- :ets.lookup(@ets, token),
-         true <- (:crypto.hash(:md5, captcha) |> Base.encode16) == String.upcase(saved_md5) do
+         true <- :crypto.hash(:md5, captcha) |> Base.encode16() == String.upcase(saved_md5) do
       # Clear the saved value
       :ets.delete(@ets, token)