Small fix

Author: pedrosousa

src/content/docs/waf/rate-limiting-rules/parameters.mdx

@@ -38,7 +38,7 @@ Use one or more of the following characteristics:
 
 | Dashboard value                                             | API value                                                                                                                 | Notes                                                                                                                                                                                                                                                    |
 | ----------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
-| N/A(implicitly included)                                    | `cf.colo.id`(mandatory)                                                                                                   | [Do not use in expressions](#do-not-use-cfcoloid-as-a-field-in-expressions)                                                                                                                                                                              |
+| N/A (implicitly included)                                   | `cf.colo.id`(mandatory)                                                                                                   | [Do not use in expressions](#do-not-use-cfcoloid-as-a-field-in-expressions)                                                                                                                                                                              |
 | IP                                                          | `ip.src`                                                                                                                  | [Incompatible with **IP with NAT support**](#incompatible-characteristics)                                                                                                                                                                               |
 | IP with NAT support                                         | `cf.unique_visitor_id`                                                                                                    | [Incompatible with **IP**](#incompatible-characteristics)                                                                                                                                                                                                |
 | **Header value of** (enter header name)                     | `http.request.headers["<header_name>"]`                                                                                   | [Use lowercased header name in API](#use-a-lowercased-header-name-for-api-users) and [Missing field versus empty value](#missing-field-versus-empty-value)                                                                                               |