README.md in egn-1.3.0 vs README.md in egn-1.3.1

@@ -58,9 +58,15 @@
     # => 10
 
     egn.sex
     # => :male
 
+    egn.sex(format: :char)
+    # => 'm'
+
+    egn.sex(format: :number)
+    # => 1
+
     egn.valid?
     # => true
 
 ## Contributing