Add 75 character limits for custom properties (#58605)

Co-authored-by: Copilot <[email protected]>

Author: bss-mc

content/organizations/managing-organization-settings/managing-custom-properties-for-repositories-in-your-organization.md

@@ -52,7 +52,7 @@ You{% ifversion custom-org-roles %}, and any users with the "Edit custom propert
 
     ![Screenshot the page to set values for repositories. A button, labeled with a pencil icon and "Edit properties", is highlighted with an orange outline.](/assets/images/help/repository/edit-properties.png)
 
-1. In the modal dialog that appears, select a value for each property you'd like to set for the selected repositories.
+1. In the modal dialog that appears, select a value for each property you'd like to set for the selected repositories. This value cannot exceed 75 characters in length.
 1. Click **Save changes**.
 
 ## Viewing values for repositories in your organization

data/reusables/enterprise-onboarding/creating-custom-properties.md

@@ -25,7 +25,7 @@ You can add custom properties to your enterprise to make those properties availa
 {% data reusables.enterprise-accounts.access-enterprise %}
 1. In the left sidebar, under "Policies", click **Custom properties**.
 1. To add a new custom property, in the upper-right corner, click **New property**.
-1. Enter a name, description, and type for the custom property. The name must be unique across all of your organizations, and cannot contain spaces.
+1. Enter a name, description, and type for the custom property. The name must be unique across all of your organizations, can't contain spaces, and cannot exceed 75 characters in length.
 1. Optionally, select **Allow repository actors to set this property**. When enabled, repository users and apps with the repository-level `custom properties` fine-grained permission will be able to set and update the property value for their repository. Additionally, any actor creating a repository can set the property on the repository.
 1. Optionally, select **Require this property for all repositories** and add a default value. This means that you require that all repositories in your enterprise have a value for this property. Repositories that don’t have an explicit value for this property will inherit the default value.
 1. Click **Save property**.