fix badge link

Author: Billboz

lib/elixir_newbie/academy_content/lesson.ex

@@ -18,7 +18,7 @@ defmodule ElixirNewbie.AcademyContent.Lesson do
   def get_type(file_name) do
     case Regex.run(~r/reading|exercises/, file_name) do
       ["reading"] -> :reading
-      ["exercises"] -> :exercise
+      ["exercises"] -> :exercises
     end
   end
 

lib/elixir_newbie_web/router.ex

@@ -23,7 +23,7 @@ defmodule ElixirNewbieWeb.Router do
     live "/dockyard_academy", DockYardAcademyLive, :dockyard_academy
     live "/discord", DiscordLive, :discord
     live "/reading/:id", ContentLive, :reading
-    live "/exercises/:id", ContentLive, :exercise
+    live "/exercises/:id", ContentLive, :exercises
   end
 
   # Other scopes may use custom stacks.