diff --git a/lib/protobuf/text.ex b/lib/protobuf/text.ex
index 32310be7..b28d7bc5 100644
--- a/lib/protobuf/text.ex
+++ b/lib/protobuf/text.ex
@@ -1,6 +1,6 @@
 defmodule Protobuf.Text do
   @moduledoc """
-  Text encoding of protobufs
+  Text encoding of Protobufs.
 
   According to https://protobuf.dev/reference/protobuf/textformat-spec/, without
   extensions or `Google.Protobuf.Any` support.