Update user_and_ip_rate_limits.md to fix typo

The description given could not be correct, this seems to make more sense.

doc/user/admin_area/settings/user_and_ip_rate_limits.md

@@ -107,7 +107,7 @@ attached into the response headers.
 | `RateLimit-Limit`     | `60`                            | The request quota for the client **each minute**. If the rate limit period set in the admin area is different from 1 minute, the value of this header is adjusted to approximately the nearest 60-minute period. |
 | `RateLimit-Name`      | `throttle_authenticated_web`    | Name of the throttle blocking the requests.                                                                                                                                                                      |
 | `RateLimit-Observed`  | `67`                            | Number of requests associated to the client in the time window.                                                                                                                                                  |
-| `RateLimit-Remaining` | `0`                             | Remaining quota in the time window. The result of `RateLimit-Limit` - `RateLimit-Remaining`.                                                                                                                     |
+| `RateLimit-Remaining` | `0`                             | Remaining quota in the time window. The result of `RateLimit-Limit` - `RateLimit-Observed`.                                                                                                                     |
 | `RateLimit-Reset`     | `1609844400`                    | [Unix time](https://en.wikipedia.org/wiki/Unix_time)-formatted time when the request quota is reset.                                                                                                             |
 | `RateLimit-ResetTime` | `Tue, 05 Jan 2021 11:00:00 GMT` | [RFC2616](https://tools.ietf.org/html/rfc2616#section-3.3.1)-formatted date and time when the request quota is reset.                                                                                            |
 | `Retry-After`         | `30`                            | Remaining duration **in seconds** until the quota is reset. This is a [standard HTTP header](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Retry-After).                                             |