Specify the type of reCAPTCHA key to use (matrix-org#5013)

Signed-off-by: Aaron Raimist <aaron@raim.ist>
aaronraimist · May 29, 2019 · f795595 · f795595
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commit f795595
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diff --git a/docs/CAPTCHA_SETUP.rst b/docs/CAPTCHA_SETUP.rst
@@ -7,6 +7,7 @@ Requires a public/private key pair from:
 
 https://developers.google.com/recaptcha/
 
+Must be a reCAPTCHA v2 key using the "I'm not a robot" Checkbox option
 
 Setting ReCaptcha Keys
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