diff --git a/README.md b/README.md
index 5dd5961..af315f4 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,13 @@ Tailwindcss::Style.new(bg: :red).to_s
 
 Tailwindcss::Style.new(bg: :red, text: :white).to_s
 # => "bg-red-500 text-white"
+```
+
+### Modifiers
 
+Any key that starts with an underscore is considered a modifier. Modifiers are used to add pseudo classes and elements to the class.
+
+```ruby
 Tailwindcss::Style.new(bg: :red, text: :white, _hover: {bg: :blue}).to_s
 # => "bg-red-500 text-white hover:bg-blue-500"
 
@@ -39,20 +45,20 @@ You can configure the gem by creating an initializer file in your rails app.
 Tailwindcss.configure do |config|
   config.package_json_path = "./package.json"
   config.config_file_path = "./tailwind.config.js"
-	config.compiler.output_path = "./public/assets/styles.css"
-	config.compiler.compile_classes_dir = "./tmp/tailwindcss"
-	config.content = []
-	config.prefix = ""
-	config.watch_content = false
-	config.breakpoints = %i[xs sm md lg xl 2xl]
-	config.pseudo_selectors = %i[hover focus active visited disabled first last first_of_type last_of_type odd even group_hover]
-	config.pseudo_elements = %i[before after file first_letter first_line selection backdrop marker]
-	config.logger = Logger.new(STDOUT)
-	config.theme.color_scheme = {
-		primary: :red,
-		secondary: :blue,
-		tertiary: :green
-	}
-	# other theme configurations
+  config.compiler.output_path = "./public/assets/styles.css"
+  config.compiler.compile_classes_dir = "./tmp/tailwindcss"
+  config.content = []
+  config.prefix = ""
+  config.watch_content = false
+  config.breakpoints = %i[xs sm md lg xl 2xl]
+  config.pseudo_selectors = %i[hover focus active visited disabled first last first_of_type last_of_type odd even group_hover]
+  config.pseudo_elements = %i[before after file first_letter first_line selection backdrop marker]
+  config.logger = Logger.new(STDOUT)
+  config.theme.color_scheme = {
+    primary: :red,
+    secondary: :blue,
+    tertiary: :green
+  }
+  # other theme configurations
 end
 ```