Update FLEDGE.md

Looking for clarity disguised as commit, not clear if this is done automatically or if the IG owner needs to take some action (i.e. include interestGroupNames as a key in the trusted keys or some such.

FLEDGE.md

@@ -467,7 +467,7 @@ Buyers may want to make on-device decisions that take into account real-time dat
 
     https://www.kv-server.example/getvalues?hostname=publisher.com&experimentGroupId=12345&keys=key1,key2&interestGroups=name1,name2
 
-The base URL `https://www.kv-server.example/getvalues` comes from the interest group's `trustedBiddingSignalsURL`, the hostname of the top-level webpage where the ad will appear `publisher.com` is provided by the browser, `experimentGroupId` comes from `perBuyerExperimentGroupIds` if provided, `keys` is a list of `trustedBiddingSignalsKeys` strings, and `interestGroupNames` is a list of the names of the interest groups that data is being fetched for.  The requests may be coalesced (for efficiency) across any number of interest groups that share a `trustedBiddingSignalsURL` (which means they also share an owner).
+The base URL `https://www.kv-server.example/getvalues` comes from the interest group's `trustedBiddingSignalsURL`, the hostname of the top-level webpage where the ad will appear `publisher.com` is provided by the browser, `experimentGroupId` comes from `perBuyerExperimentGroupIds` if provided, `keys` is a list of `trustedBiddingSignalsKeys` strings, and `interestGroupNames` is a list of the names of the interest groups that data is being fetched for.  The requests will automatically be coalesced (for efficiency) across any number of interest groups that share a `trustedBiddingSignalsURL` (which means they also share an owner).
 
 The response from the server should be a JSON object of the form: