README.md in rotp-2.1.2 vs README.md in rotp-3.0.0

@@ -37,10 +37,11 @@
 
 Optionally, you can provide an issuer which will be used as a title in Google Authenticator.
 
 ```ruby
 totp = ROTP::TOTP.new("base32secret3232", issuer: "My Service")
+totp.provisioning_uri("[e-mail]")
 ```
 
 ### Counter based OTP's
 
 ```ruby
@@ -66,11 +67,11 @@
 
 Provisioning URI's generated by ROTP are compatible with the Google Authenticator App
 to be scanned with the in-built QR Code scanner.
 
 ```ruby
-totp.provisioning_uri("[e-mail]") # => 'otpauth://totp/[e-mail]?secret=JBSWY3DPEHPK3PXP'
-hotp.provisioning_uri("[e-mail]", 0) # => 'otpauth://hotp/[e-mail]?secret=JBSWY3DPEHPK3PXP&counter=0'
+totp.provisioning_uri("[e-mail]") # => 'otpauth://totp/issuer:[e-mail]?secret=JBSWY3DPEHPK3PXP'
+hotp.provisioning_uri("[e-mail]", 0) # => 'otpauth://hotp/issuer:[e-mail]?secret=JBSWY3DPEHPK3PXP&counter=0'
 ```
 
 This can then be rendered as a QR Code which can then be scanned and added to the users
 list of OTP credentials.