docs: enhnace method doc

Client/Api/Commands/ITenantIdsCommandStep.cs

@@ -10,7 +10,7 @@ public interface ITenantIdsCommandStep<out T>
         /// 
         /// This can be useful when requesting jobs for multiple tenants at once. Each of the activated 
         /// jobs will be owned by the tenant that owns the corresponding process instance.
-        /// <param name="tenantIds">the tenant to associate to this resource.</param>
+        /// <param name="tenantIds">the identifiers of the tenants to specify for this command, e.g. ["ACME", "OTHER"]</param>
         /// <returns>The builder for this command.  Call <see cref="IFinalCommandStep{T}.Send"/> to complete the command and send it
         ///     to the broker.</returns>
         T TenantIds(IList<string> tenantIds);