diff --git a/docs/source/02-02-advanced-configuration.md b/docs/source/02-02-advanced-configuration.md
index b2ad29ad0..5b638401d 100644
--- a/docs/source/02-02-advanced-configuration.md
+++ b/docs/source/02-02-advanced-configuration.md
@@ -316,6 +316,18 @@ default to providing only a time based lockout. Refer to
 [reCAPTCHA](https://www.google.com/recaptcha/intro/index.html) for information
 on getting an account setup.
 
+## TALK_RECAPTCHA_WINDOW
+
+The rate limit time interval that there can be [TALK_RECAPTCHA_INCORRECT_TRIGGER](#talk_recaptcha_incorrect_trigger) incorrect attempts until the reCAPTCHA is
+marked as required, parsed by
+[ms](https://www.npmjs.com/package/ms). (Default `10m`)
+
+## TALK_RECAPTCHA_INCORRECT_TRIGGER
+
+The number of times that an incorrect login can be entered before within a time
+perioud indicated by [TALK_RECAPTCHA_WINDOW](#talk_recaptcha_window) until the
+reCAPTCHA is marked as required. (Default `5`)
+
 ## TALK_REDIS_CLIENT_CONFIGURATION
 
 Configuration overrides for the redis client configuration in a JSON encoded
@@ -531,4 +543,4 @@ Sets the logging level for the context logger (from [Bunyan](https://github.com/
 A JSON string representing the configuration passed to the
 [fetch](https://www.npmjs.com/package/node-fetch) call for the scraper. It
 can be used to set an authorization header, or change the user agent. (Default
-`{}`)
\ No newline at end of file
+`{}`)