Correct default org repo documentation

* Closes github#263

.github/README.md

@@ -161,8 +161,9 @@ Once you have the **GitHub App** up and running, users will need to add the conf
 - Having this file in the root of the repository is what signals the **Rally + GitHub App** to view all configured events for the repository
 - The configuration file allows users to make small customizations to how the bot interacts with their codebase
 - Users will also want to configure `protected branches` to help make sure all rules are followed and enforced by the validator bot
-- If a default configuration for all repositories in an organization is desirable, create a `.github/rally.yml` file in a repository called `[ORG_NAME]/rally-github-config`. The name of this configuration repository can also be set as an environment variable.
-- If a _per_-repository configuration needs to be managed from a central repository, create a `.github/rally/[REPO_NAME].yml` file in a repository called `[ORG_NAME]/rally-github-config` instead.
+- If a default configuration for all repositories in an organization is desirable, create a `rally.yml` file in a repository called `[ORG_NAME]/.github`. 
+    - The name of this configuration repository can also be set as an environment variable (i.e., this bot can look in a repository other than `[ORG_NAME]/.github`).
+    - Additionally, if a _per_-repository configuration needs to be managed from this central configuration repository, create such configuration files in a folder named `rally` (e.g., `rally/[REPO_NAME].yml`).
 
 ## How to contribute
 We invite you to contribute to this **GitHub App**! Check out [Issues](https://github.com/github/rally/issues) (especially those labeled `help wanted` or `good first issue`) and jump over to [CONTRIBUTING](https://github.com/github/rally/blob/main/.github/CONTRIBUTING.md) for more details.