README.md in otp-0.0.2 vs README.md in otp-0.0.3

@@ -21,9 +21,14 @@
     p totp.digits    #=> 6 (number of password digits; default 6)
     p totp.period    #=> 30 (time step period in second; default 30)
     p totp.time      #=> nil (UNIX time by Time or Integer; nil for the current time)
     p totp.password  #=> "123456" (password for the current time)
 
+    # Format TOTP URI. Otpauth scheme URLs can be read by OTP::URI.parse.
+    totp.issuer = "My Company"
+    totp.accountname = "[e-mail]"
+    p totp.to_uri    #=> "otpauth://totp/My%20Company:[e-mail]?secret=47JBA7ZWDDLNZJMX&issuer=My+Company"
+
 To verify given TOTP password:
 
     require "otp"
 
     totp = OTP::TOTP.new