diff --git a/packages/SwingSet/src/vats/network/types.js b/packages/SwingSet/src/vats/network/types.js
index 63cc13ef28a..1b9f2138fb8 100644
--- a/packages/SwingSet/src/vats/network/types.js
+++ b/packages/SwingSet/src/vats/network/types.js
@@ -31,7 +31,7 @@
  * @typedef {Object} ListenHandler A handler for incoming connections
  * @property {(port: Port, l: ListenHandler) => Promise<void>} [onListen] The listener has been registered
  * @property {(port: Port, localAddr: Endpoint, remoteAddr: Endpoint, l: ListenHandler) => Promise<ConnectionHandler>} onAccept A new connection is incoming
- * @property {(port: Port, localAddr: Endpoint, remoteAddr: Endpoint, l: ListenHandler) => Promise<void>} onReject The connection was rejected
+ * @property {(port: Port, localAddr: Endpoint, remoteAddr: Endpoint, l: ListenHandler) => Promise<void>} [onReject] The connection was rejected
  * @property {(port: Port, rej: any, l: ListenHandler) => Promise<void>} [onError] There was an error while listening
  * @property {(port: Port, l: ListenHandler) => Promise<void>} [onRemove] The listener has been removed
  */
diff --git a/packages/dapp-svelte-wallet/api/src/internal-types.js b/packages/dapp-svelte-wallet/api/src/internal-types.js
index 6a3cdf34b00..dd6828aafb5 100644
--- a/packages/dapp-svelte-wallet/api/src/internal-types.js
+++ b/packages/dapp-svelte-wallet/api/src/internal-types.js
@@ -12,8 +12,8 @@
 /**
  * @typedef {Object} PurseActions
  * @property {(receiverP: ERef<{ receive: (payment: Payment) => void }>, valueToSend: Value) => Promise<void>} send
- * @property {(payment: Payment) => Promise<Value>} receive
- * @property {(payment: Payment, amount: Amount=) => Promise<Value>} deposit
+ * @property {(payment: Payment) => Promise<Amount>} receive
+ * @property {(payment: Payment, amount: Amount=) => Promise<Amount>} deposit
  */
 
 /**
diff --git a/packages/notifier/src/notifier.js b/packages/notifier/src/notifier.js
index f19e7b4a893..735f6eb6c86 100644
--- a/packages/notifier/src/notifier.js
+++ b/packages/notifier/src/notifier.js
@@ -12,6 +12,11 @@ import {
 
 import './types';
 
+/**
+ * @template T
+ * @param {BaseNotifier<T>} baseNotifierP
+ * @returns {AsyncIterable<T> & SharableNotifier}
+ */
 export const makeNotifier = baseNotifierP => {
   const asyncIterable = makeAsyncIterableFromNotifier(baseNotifierP);
 
diff --git a/packages/notifier/src/types.js b/packages/notifier/src/types.js
index 226051ba96a..735b9ae1bb3 100644
--- a/packages/notifier/src/types.js
+++ b/packages/notifier/src/types.js
@@ -66,9 +66,12 @@
 
 /**
  * @template T
- * @typedef {BaseNotifier<T> & AsyncIterable<T>} Notifier<T> an object that can
+ * @typedef {BaseNotifier<T> & AsyncIterable<T> & SharableNotifier} Notifier<T> an object that can
  * be used to get the current state or updates
- *
+ */
+
+/**
+ * @typedef {Object} SharableNotifier
  * @property {() => NotifierInternals} getSharableNotifierInternals
  * Used to replicate the multicast values at other sites. To manually create a
  * local representative of a Notification, do
@@ -103,9 +106,12 @@
 
 /**
  * @template T
- * @typedef {BaseSubscription<T> & AsyncIterable<T>} Subscription<T>
+ * @typedef {BaseSubscription<T> & AsyncIterable<T> & SharableSubscription} Subscription<T>
  * A form of AsyncIterable supporting distributed and multicast usage.
- *
+ */
+
+/**
+ * @typedef {Object} SharableSubscription
  * @property {() => SubscriptionInternals} getSharableSubscriptionInternals
  * Used to replicate the multicast values at other sites. To manually create a
  * local representative of a Subscription, do
diff --git a/packages/vats/src/bootstrap.js b/packages/vats/src/bootstrap.js
index 870624225a1..ef84d08bb39 100644
--- a/packages/vats/src/bootstrap.js
+++ b/packages/vats/src/bootstrap.js
@@ -538,7 +538,7 @@ export function buildRootObject(vatPowers, vatParameters) {
           return harden(makeEchoConnectionHandler());
         },
         async onListen(port, _listenHandler) {
-          console.debug(`listening on port: ${port}`);
+          console.debug(`listening on echo port: ${port}`);
         },
       }),
     );
diff --git a/packages/zoe/src/contractSupport/priceAuthority.js b/packages/zoe/src/contractSupport/priceAuthority.js
index 2091331cc53..6b581f24650 100644
--- a/packages/zoe/src/contractSupport/priceAuthority.js
+++ b/packages/zoe/src/contractSupport/priceAuthority.js
@@ -5,6 +5,7 @@ import { Far } from '@agoric/marshal';
 import { assert, details as X } from '@agoric/assert';
 import { makePromiseKit } from '@agoric/promise-kit';
 import { amountMath } from '@agoric/ertp';
+import { makeNotifier } from '@agoric/notifier';
 
 import '../../exported';
 
@@ -236,26 +237,57 @@ export function makeOnewayPriceAuthorityKit(opts) {
       assertBrands(brandIn, brandOut);
       return timer;
     },
-    getPriceNotifier(brandIn, brandOut) {
-      assertBrands(brandIn, brandOut);
-      return notifier;
+    makeQuoteNotifier(amountIn, brandOut) {
+      amountMath.coerce(amountIn, actualBrandIn);
+      assertBrands(amountIn.brand, brandOut);
+
+      // Wrap our underlying notifier with specific quotes.
+      const specificBaseNotifier = harden({
+        async getUpdateSince(updateCount = NaN) {
+          // We use the same updateCount as our underlying notifier.
+          const record = await E(notifier).getUpdateSince(updateCount);
+
+          // We create a quote inline.
+          const quote = createQuote(calcAmountOut => ({
+            amountIn,
+            amountOut: calcAmountOut(amountIn),
+          }));
+          assert(quote);
+
+          const value = await quote;
+          return harden({
+            value,
+            updateCount: record.updateCount,
+          });
+        },
+      });
+
+      /** @type {Notifier<PriceQuote>} */
+      const specificNotifier = Far('QuoteNotifier', {
+        ...makeNotifier(specificBaseNotifier),
+        // TODO stop exposing baseNotifier methods directly.
+        ...specificBaseNotifier,
+      });
+      return specificNotifier;
     },
     async quoteGiven(amountIn, brandOut) {
       amountMath.coerce(amountIn, actualBrandIn);
       assertBrands(amountIn.brand, brandOut);
 
       await E(notifier).getUpdateSince();
-      return createQuote(calcAmountOut => ({
+      const quote = createQuote(calcAmountOut => ({
         amountIn,
         amountOut: calcAmountOut(amountIn),
       }));
+      assert(quote);
+      return quote;
     },
     async quoteWanted(brandIn, amountOut) {
       amountMath.coerce(amountOut, actualBrandOut);
       assertBrands(brandIn, amountOut.brand);
 
       await E(notifier).getUpdateSince();
-      return createQuote((calcAmountOut, calcAmountIn) => {
+      const quote = createQuote((calcAmountOut, calcAmountIn) => {
         // We need to determine an amountIn that guarantees at least the amountOut.
         const amountIn = calcAmountIn(amountOut);
         const actualAmountOut = calcAmountOut(amountIn);
@@ -266,6 +298,8 @@ export function makeOnewayPriceAuthorityKit(opts) {
         );
         return { amountIn, amountOut };
       });
+      assert(quote);
+      return quote;
     },
     async quoteAtTime(deadline, amountIn, brandOut) {
       assert.typeof(deadline, 'bigint');
diff --git a/packages/zoe/src/contracts/multipoolAutoswap/types.js b/packages/zoe/src/contracts/multipoolAutoswap/types.js
index 051f76ec0f6..2fe4d38e7e9 100644
--- a/packages/zoe/src/contracts/multipoolAutoswap/types.js
+++ b/packages/zoe/src/contracts/multipoolAutoswap/types.js
@@ -23,8 +23,6 @@
  * using makeSwapOutInvitation at the current price
  * @property {() => Record<string, Amount>} getPoolAllocation get an
  * AmountKeywordRecord showing the current balances in the pool.
- * @property {() => Array<Brand>} getAllPoolBrands get a list of all the brands
- * that have associated pools.
  */
 
 /**
@@ -88,7 +86,7 @@
  * AmountKeywordRecord showing the current balances in the pool for brand.
  * @property {() => Issuer} getQuoteIssuer - get the Issuer that attests to
  * the prices in the priceQuotes issued by the PriceAuthorities
- * @property {(brand: Brand) => {toCentral: PriceAuthority, fromCentral: PriceAuthority}}} getPriceAuthorities
+ * @property {(brand: Brand) => {toCentral: PriceAuthority, fromCentral: PriceAuthority}} getPriceAuthorities
  * get a pair of PriceAuthorities { toCentral, fromCentral } for requesting
  * Prices and notifications about changing prices.
  */
diff --git a/packages/zoe/src/internal-types.js b/packages/zoe/src/internal-types.js
index 82b35f628f5..2d95525982b 100644
--- a/packages/zoe/src/internal-types.js
+++ b/packages/zoe/src/internal-types.js
@@ -96,14 +96,17 @@
  * @typedef {Object} InstanceAdmin
  * @property {() => void} assertAcceptingOffers
  * @property {(invitationHandle: InvitationHandle,
-      initialAllocation: Allocation,
-      proposal: ProposalRecord) => UserSeat } makeUserSeat
+ *     initialAllocation: Allocation,
+ *     proposal: ProposalRecord) => Promise<UserSeat> } makeUserSeat
+ * @property {(initialAllocation: Allocation,
+ *     proposal: ProposalRecord,
+ *     exitObj: ExitObj,
+ *     seatHandle: SeatHandle) => foo } makeNoEscrowSeat
  * @property {() => Instance} getInstance
  * @property {() => Object} getPublicFacet
  * @property {() => IssuerKeywordRecord} getIssuers
  * @property {() => BrandKeywordRecord} getBrands
  * @property {() => Object} getTerms
- * @property {() => boolean} acceptingOffers
  * @property {(completion: Completion) => void} exitAllSeats
  * @property {(reason: TerminationReason) => void} failAllSeats
  * @property {() => void} stopAcceptingOffers
diff --git a/packages/zoe/src/zoeService/zoe.js b/packages/zoe/src/zoeService/zoe.js
index 02c08776cd9..1f6587d6134 100644
--- a/packages/zoe/src/zoeService/zoe.js
+++ b/packages/zoe/src/zoeService/zoe.js
@@ -198,7 +198,7 @@ function makeZoe(vatAdminSvc, zcfBundleName = undefined) {
         const hasExited = zoeSeatAdmin => !zoeSeatAdmins.has(zoeSeatAdmin);
 
         /** @type {InstanceAdmin} */
-        return Far('instanceAdmin', {
+        const instanceAdmin = Far('instanceAdmin', {
           getPublicFacet: () => publicFacetPromiseKit.promise,
           getTerms,
           getIssuers,
@@ -278,6 +278,7 @@ function makeZoe(vatAdminSvc, zcfBundleName = undefined) {
             return { userSeat, notifier, zoeSeatAdmin };
           },
         });
+        return instanceAdmin;
       };
 
       const instanceAdmin = makeInstanceAdmin();
diff --git a/packages/zoe/test/unitTests/contracts/test-priceAggregator.js b/packages/zoe/test/unitTests/contracts/test-priceAggregator.js
index 5a8e693e0f7..83e9b4e24d6 100644
--- a/packages/zoe/test/unitTests/contracts/test-priceAggregator.js
+++ b/packages/zoe/test/unitTests/contracts/test-priceAggregator.js
@@ -133,7 +133,10 @@ test('median aggregator', /** @param {ExecutionContext} t */ async t => {
 
   // TODO: Port this to makeQuoteNotifier(amountIn, brandOut)
   // @ts-ignore fix needed
-  const notifier = E(pa).getPriceNotifier(brandIn, brandOut);
+  const notifier = E(pa).makeQuoteNotifier(
+    amountMath.make(brandIn, 1n),
+    brandOut,
+  );
   await E(aggregator.creatorFacet).initOracle(price1000.instance, {
     increment: 10n,
   });
diff --git a/packages/zoe/tools/types.js b/packages/zoe/tools/types.js
index 733c88e9fab..2012b2219ad 100644
--- a/packages/zoe/tools/types.js
+++ b/packages/zoe/tools/types.js
@@ -44,8 +44,8 @@
 
 /**
  * @typedef {Object} MutableQuote
- * @property {() => void} cancel
- * @property {() => void} updateLevel
+ * @property {(reason?: any) => void} cancel
+ * @property {(amountIn: Amount, amountOut: Amount) => void} updateLevel
  * @property {() => ERef<PriceQuote>} getPromise
  */