Tighten the provider-label comments and docs

src/layers/vessels/queries.js

@@ -548,7 +548,7 @@ export function createQueries({
         // backing off, say how long until the next attempt instead of leaving
         // the user to guess whether anything is still happening.
         retryInSec: aisRetryInSec(),
-        // The provider the last snapshot named, as flights and military report it.
+        // Same field as flights and military, so Contacts names the provider.
         source: layer.source,
       };
     },