Update quickstart-onboard-github.md

Author: felickz

articles/defender-for-cloud/quickstart-onboard-github.md

@@ -90,7 +90,7 @@ The Defender for Cloud service automatically discovers the organizations where y
 > [!NOTE]
 > To ensure proper functionality of advanced DevOps posture capabilities in Defender for Cloud, only one instance of a GitHub organization can be onboarded to the Azure Tenant you are creating a connector in.
 
-The **DevOps security** pane shows your onboarded repositories grouped by Organization. The **Recommendations** pane shows all security assessments related to GitHub repositories.
+The **DevOps security** pane shows your onboarded repositories grouped by Organization. The **Recommendations** pane shows all security assessments related to GitHub repositories.  The onboarding may take up to 8 hours to show the initial DevOps security results.
 
 ## Next steps