Clarify the limitation for special chars is for Review Apps

[ci skip]

doc/ci/environments.md

@@ -491,8 +491,8 @@ fetch = +refs/environments/*:refs/remotes/origin/environments/*
 
 1. If the branch name contains special characters (`/`), and you use the
    `$CI_BUILD_REF_NAME` variable to dynamically create environments, there might
-   be complications during deployment. Follow the [issue 22849][ce-22849] for
-   more information.
+   be complications during your Review Apps deployment. Follow the
+   [issue 22849][ce-22849] for more information.
 1. You are limited to use only the [CI predefined variables][variables] in the
    `environment: name`. If you try to re-use variables defined inside `script`
    as part of the environment name, it will not work.