Update github.md (#14544)

Author: erica-airbyte

docs/integrations/sources/github.md

@@ -7,11 +7,14 @@ This page contains the setup guide and reference information for the GitHub sour
 * Branch (Optional)
 * Page size for large streams (Optional)
 
-For Airbyte Cloud:
-* Access Token
+**For Airbyte Cloud:**
+
+* Personal Access Token (see [Permissions and scopes](https://docs.airbyte.com/integrations/sources/github#permissions-and-scopes))
+* OAuth
+
+**For Airbyte OSS:**
 
-For Airbyte OSS:
-* Personal Access Token
+* Personal Access Token (see [Permissions and scopes](https://docs.airbyte.com/integrations/sources/github#permissions-and-scopes))
 
 ## Setup guide
 ### Step 1: Set up GitHub
@@ -28,7 +31,7 @@ Log into [GitHub](https://github.com) and then generate a [personal access token
 1. [Log into your Airbyte Cloud](https://cloud.airbyte.io/workspaces) account.
 2. In the left navigation bar, click **Sources**. In the top-right corner, click **+ new source**.
 3. On the source setup page, select **GitHub** from the Source type dropdown and enter a name for this connector.
-4. Click `Authenticate your GitHub account`.
+4. Click `Authenticate your GitHub account` by selecting Oauth or Personal Access Token for Authentication. 
 5. Log in and Authorize to the GitHub account.
 6. **Start date** - The date from which you'd like to replicate data for streams: `comments`, `commit_comment_reactions`, `commit_comments`, `commits`, `deployments`, `events`, `issue_comment_reactions`, `issue_events`, `issue_milestones`, `issue_reactions`, `issues`, `project_cards`, `project_columns`, `projects`, `pull_request_comment_reactions`, `pull_requests`, `pull_requeststats`, `releases`, `review_comments`, `reviews`, `stargazers`, `workflow_runs`, `workflows`.
 7. **GitHub Repositories** - Space-delimited list of GitHub organizations/repositories, e.g. `airbytehq/airbyte` for single repository, `airbytehq/airbyte airbytehq/another-repo` for multiple repositories. If you want to specify the organization to receive data from all its repositories, then you should specify it according to the following example: `airbytehq/*`.