Indexing limitation clarifictions (#52929)

Co-authored-by: Jules <19994093+jules-p@users.noreply.github.com>

content/copilot/customizing-copilot/indexing-repositories-for-copilot-chat.md

@@ -40,11 +40,11 @@ If you have a seat on the {% data variables.product.prodname_copilot_enterprise_
 {% endif %}
 
 {% ifversion ghec or fpt %}
-If you have a seat on the {% data variables.product.prodname_copilot_business_short %} (CB) plan, you are subject to the indexing limit for your organization. You cannot index additional repositories once your organization reaches the repository limit, but you can still benefit from the indexes created by other users.
+If you have a seat on the {% data variables.product.prodname_copilot_business_short %} (CB) plan, you are subject to the indexing limit for your organization. Additionally, you can only index repositories that belong to the GitHub organization that assigned your Copilot seat. You cannot index additional repositories once your organization reaches the repository limit, but you can still benefit from the indexes created by other users.
 {% endif %}
 
 {% ifversion fpt %}
-If you have a {% data variables.product.prodname_copilot_individuals_short %} (CI) plan, you are subject to an indexing limit and can index any repository that you belong to. However, you can still benefit from the indexes created by other users without affecting your limit.
+If you have a {% data variables.product.prodname_copilot_individuals_short %} (CI) plan, you are subject to an indexing limit and can index any repository that you have access to. However, you can still benefit from the indexes created by other users without affecting your limit.
 {% endif %}
 
 Both CE and CB plans can apply content exclusions to control the behavior of {% data variables.product.prodname_copilot %} for the {% data variables.product.prodname_copilot_short %} seats they manage. For more information, see "[AUTOTITLE](/copilot/managing-copilot/managing-github-copilot-in-your-organization/setting-policies-for-copilot-in-your-organization/excluding-content-from-github-copilot)." However, CI users can still index any repository they have access to, regardless of the content exclusion policies set by the organization.