         """
           <a href='https://elixirdocs.org/strings' id='1'>my relatives</a>
         """
-        |> Tilex.Markdown.expand_relative_links("https://til.hashrocket.com")
+        |> Markdown.expand_relative_links("https://til.hashrocket.com")
 
       expected = """
         <a href="https://elixirdocs.org/strings" id="1">my relatives</a>

        """
          <a href='http://elixirdocs.org/strings' id='1'>my relatives</a>
        """
        |> Tilex.Markdown.expand_relative_links("https://til.hashrocket.com")

      expected = """
        <a href="http://elixirdocs.org/strings" id="1">my relatives</a>

        """
          <a href='/relative' id='1'>my relatives</a>
        """
        |> Markdown.expand_relative_links("https://til.hashrocket.com")

      expected = """
        <a href="https://til.hashrocket.com/relative" id="1">my relatives</a>
