Add non-normative, and link to adAuctionHeaders.

spec.bs

@@ -125,7 +125,7 @@ spec: Shared Storage API; urlPrefix: https://wicg.github.io/shared-storage
 
 # Introduction # {#intro}
 
-<em>This section is non-normative</em>
+*This section is non-normative.*
 
 The Protected Audience API facilitates selecting an advertisement to display to a user based on a
 previous interaction with the advertiser or advertising network.
@@ -141,6 +141,8 @@ advertisement.
 
 <h2 id="joining-interest-groups">Joining Interest Groups</h2>
 
+*This first introductory paragraph is non-normative.*
+
 When a user's interactions with a website indicate that the user may have a particular interest, an
 advertiser or someone working on behalf of the advertiser (e.g. a demand side platform, DSP) can ask
 the user's browser to record this interest on-device by calling
@@ -471,6 +473,8 @@ To <dfn>build an interest group permissions url</dfn> given a [=origin=] |ownerO
 
 <h2 id="leaving-interest-groups">Leaving Interest Groups</h2>
 
+*This first introductory paragraph is non-normative.*
+
 {{Window/navigator}}.{{Navigator/leaveAdInterestGroup()}} removes a user from a particular interest
 group.
 
@@ -533,6 +537,8 @@ are:
 
 <h2 id="running-ad-auctions">Running Ad Auctions</h2>
 
+*This first introductory paragraph is non-normative.*
+
 When a website or someone working on behalf of the website (e.g. a supply side platform, SSP) wants
 to conduct an auction to select an advertisement to display to the user, they can call the
 {{Window/navigator}}.{{Navigator/runAdAuction()}} function, providing an auction configuration that
@@ -566,7 +572,7 @@ dictionary AuctionAdConfig {
   Promise<record<USVString, USVString>> perBuyerCurrencies;
   sequence<AuctionAdConfig> componentAuctions = [];
   Promise<undefined> additionalBids;
-  USVString auctionNonce;
+  DOMString auctionNonce;
   AbortSignal? signal;
   Promise<boolean> resolveToConfig;
 };
@@ -962,10 +968,10 @@ To <dfn>validate and convert auction ad config</dfn> given an {{AuctionAdConfig}
     |config|["{{AuctionAdConfig/additionalBids}}"]:
 
     Note: The JavaScript code calling {{Navigator/runAdAuction()}} is responsible for not resolving
-      |config|["{{AuctionAdConfig/additionalBids}}"] until a {{WindowOrWorkerGlobalScope/fetch()}}
-      call for fetching additional bids with the `{adAuctionHeaders: true}` option returns
-      a response, or alternatively, not calling {{Navigator/runAdAuction()}} until the
-      {{WindowOrWorkerGlobalScope/fetch()}} call returns a response.
+      |config|["{{AuctionAdConfig/additionalBids}}"] until an associated [=request=] whose
+      [=request/initiator type=] is `"fetch"` and the {{RequestInit/adAuctionHeaders}} option set to
+      `true` returns a response, or alternatively, not calling {{Navigator/runAdAuction()}} until the
+      [=request=] returns a response.
 
     * To parse the value |result|:
       1. Set |auctionConfig|'s [=auction config/expects additional bids=] to false.
@@ -2157,6 +2163,8 @@ a {{ReportingBrowserSignals}} |browserSignals|, and a [=direct from seller signa
 
 ## createAuctionNonce() ## {#create-auction-nonce}
 
+*This first introductory paragraph is non-normative.*
+
 {{Window/navigator}}.{{Navigator/createAuctionNonce()}} creates an auction nonce, a one-time
 [=version 4 UUID=] uniquely associated with a single call to
 {{Window/navigator}}.{{Navigator/runAdAuction()}}. For multi-seller auctions, this ID is uniquely
@@ -3276,6 +3284,8 @@ Each {{InterestGroupReportingScriptRunnerGlobalScope}} has a
 
 # Interest Group Updates # {#interest-group-updates}
 
+*This first introductory paragraph is non-normative.*
+
 [=Interest groups=] have an [=interest group/update url=] field that allows updating the
 interest group definition stored on disk with information periodically retrieved from the
 [=interest group/update url=].  The [=interest group update=] steps are triggered during