diff --git a/plugins/gem/README.md b/plugins/gem/README.md
index 08f52c8ed..decd87ba3 100644
--- a/plugins/gem/README.md
+++ b/plugins/gem/README.md
@@ -1,4 +1,4 @@
-## Gem Plugin
+# Gem plugin
 
 This plugin adds completions and aliases for [Gem](https://rubygems.org/). The completions include the common `gem` subcommands as well as the installed gems in the current directory.