Update instructions on how to contribute to documentation

docs/index.md

@@ -29,7 +29,7 @@ ECA (Events - Conditions - Actions) is a Drupal module that processes business p
 
 ## Additional resources
 
-You can find articles, tutorials, videos and other learning materials in the Resources section.
+You can find articles, tutorials, videos, and other learning materials in the Resources section.
 
 ## Get support
 
@@ -50,7 +50,7 @@ We welcome contributions including:
 
 To contribute:
 
-1. Create an account on [ECA Guide GitLab](https://gitlab.lakedrops.com)
+1. Request an account on the [ECA Guide GitLab](https://gitlab.lakedrops.com). Contact the ECA maintainers on the [ECA Slack channel](https://drupal.slack.com/archives/C0287U62CSG), and provide an email address for the account.
 2. Visit the [ECA Guide Project](https://gitlab.lakedrops.com/drupal/documentation/eca)
 3. Open an issue or create a merge request