Update faq.md

Author: natalialuzuriaga

docs/faq.md

@@ -70,4 +70,7 @@ We are open to adding more fields to CMS code.json for any metadata the agency s
 
 ### My agency extended the code.json schema to add more metadata fields. Where can I share this?
 
-We encourage agencies to contribute by [submitting an agency schema addition issue](https://github.com/DSACMS/gov-codejson/issues) to [include their extended schema in the repository](../schemas). This helps foster collaboration and ensures shared improvements benefit the wider community.
+We encourage agencies to contribute by [submitting an agency schema addition issue](https://github.com/DSACMS/gov-codejson/issues) to [include their extended schema in the repository](../schemas). This helps foster collaboration and ensures shared improvements benefit the wider community.
+
+### Does `laborHours` need to be down-to-the-minute accurate?
+We strive to automate labor hour calculations for public repositories whenever possible (using the [scc](https://github.com/boyter/scc) tool), but manual calculations are acceptable when automation isn't feasible. The goal is reasonable accuracy rather than precise minute-by-minute tracking.