update readme to include info about recaptcha

montrealrb · Dec 20, 2018 · fe5b752 · fe5b752
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diff --git a/.env.sample b/.env.sample
@@ -5,3 +5,5 @@ TWITTER_CONSUMER_KEY="your_key"
 TWITTER_CONSUMER_SECRET="your_secret"
 TWITTER_ACCESS_TOKEN="your_token"
 TWITTER_ACCESS_SECRET="your_token_secret"
+RECAPTCHA_SITE_KEY = YOURSITEKEY
+RECAPTCHA_SECRET_KEY = YOURSECERTKEY
diff --git a/README.md b/README.md
@@ -75,6 +75,8 @@ To tweet automatically when content is published, you can register an app on [Tw
  and set the keys to your environment variables. If you choose not to, don't set the variables and
  the app will simply skip the tweeting feature.
 
+reCAPTCHA is used for preventing bots from signing up fake accounts. You will need to get a secret key and and site key from [Google](https://www.google.com/recaptcha/admin#list). Then set the RECAPTCHA_SITE_KEY and RECAPTCHA_SECRET_KEY environment variables.
+
 Now you need to set the environment variables on your server. The procedure
 will depend on your system.