diff --git a/lib/ex_doc/language/elixir.ex b/lib/ex_doc/language/elixir.ex
index 825bcd0ba..146e7b6ef 100644
--- a/lib/ex_doc/language/elixir.ex
+++ b/lib/ex_doc/language/elixir.ex
@@ -27,7 +27,7 @@ defmodule ExDoc.Language.Elixir do
                 specs: map
               },
               title: binary,
-              type: :behaviour | :module
+              type: :module | :behaviour | :task | :protocol | :implementation | :exception
             }
   def module_data(module, docs_chunk, config) do
     {type, skip} = module_type_and_skip(module)
diff --git a/lib/ex_doc/language/erlang.ex b/lib/ex_doc/language/erlang.ex
index 5864c7092..8357e08be 100644
--- a/lib/ex_doc/language/erlang.ex
+++ b/lib/ex_doc/language/erlang.ex
@@ -21,7 +21,7 @@ defmodule ExDoc.Language.Erlang do
               nesting_info: nil,
               private: %{abst_code: any, callbacks: map, optional_callbacks: any, specs: map},
               title: binary,
-              type: :behaviour | :module
+              type: :module | :behaviour
             }
   def module_data(module, docs_chunk, _config) do
     if abst_code = Source.get_abstract_code(module) do