minor update to third job

as per @anitacaron's comment. I hope this addresses her point.

Author: nlharris

docs/roles/DashboardManager.md

@@ -7,4 +7,4 @@ title: Dashboard Manager
 The [OBO Foundry dashboard](https://dashboard.obofoundry.org/) checks ontologies for adherence to OBO Foundry principles. The Dashboard Manager's jobs are:
 1. Update the dashboard once per month
 1. Fix important bugs in OBO-Dashboard if they come up (should be rare)
-1. Work with OBO Ops to find people who can update the dashboard code when new principles are added or existing ones are changed.
+1. Work with OBO Ops if needed to find people who can update the dashboard code when new principles are added or existing ones are changed.