diff --git a/README.md b/README.md
index 410a421..939ad78 100644
--- a/README.md
+++ b/README.md
@@ -196,6 +196,10 @@ The following section are automatically applied by the code formatter in Elixir
     # ...
   end
 
+  def _parse_contents(data) do
+    # ...
+  end
+
   # Good
   :no_match
   :error
@@ -208,6 +212,11 @@ The following section are automatically applied by the code formatter in Elixir
   def read_file(path) do
     # ...
   end
+
+  @doc false
+  def parse_contents(data) do
+    # ...
+  end
   ```
 
 * <a name="camelcase-modules"></a>