README.md in letter_avatar-0.3.7 vs README.md in letter_avatar-0.3.8

@@ -76,10 +76,20 @@
   config.colors_palette = :custom
   config.custom_palette = [[120, 132, 205], [91, 149, 249], [72, 194, 249], [69, 208, 226]]
 end
 ```
 
+##### Custom font definition
+
+You can define your own `custom` palette:
+
+```ruby
+LetterAvatar.setup do |config|
+  config.font = File.join(File.expand_path('../../', File.dirname(__FILE__)), 'app/assets/fonts', 'font_name.ext')
+end
+```
+
 ## Usage
 
 ```ruby
 LetterAvatar.generate 'ksz2k', 200
 => "public/system/letter_avatars/2/K/87_178_230/200.png"
@@ -111,9 +121,11 @@
 ### In your model
 
 Say, you have a model `User` (which must have attribute or method `name`)
 
 ```ruby
+require 'letter_avatar/has_avatar'
+
 class User
   include LetterAvatar::HasAvatar
   ...
 
   def name