 
   ## Options
 
-    * `:return`  - sets to `:index` to return indexes. Defaults to `:binary`.
+    * `:return` - set to `:index` to return byte index and match length.
+      Defaults to `:binary`.
     * `:capture` - what to capture in the result. Check the moduledoc for `Regex`
       to see the possible capture values.
 

  end

  @doc """
  Returns the given captures as a map or `nil` if no captures are
  found. The option `:return` can be set to `:index` to get indexes
  back.

  ## Examples



  ## Options

    * `:return` - set to `:index` to return byte index and match length.
      Defaults to `:binary`.
    * `:capture` - what to capture in the result. Check the moduledoc for `Regex`
      to see the possible capture values.

