fixup: review comment

Author: addaleax

src/plugin.ts

@@ -928,7 +928,7 @@ export class MongoDBOIDCPluginImpl implements MongoDBOIDCPlugin {
     const tokenSetId = getStableTokenSetId(state.currentTokenSet.set);
 
     // We would not want to return the access token or ID token of a token set whose
-    // accompanying refresh token was passed to us by
+    // accompanying refresh token was passed to us by the driver
     const willRetryWithForceRefreshOrReauth =
       !forceRefreshOrReauth &&
       !!state.discardingTokenSets?.includes(tokenSetId);

src/util.ts

@@ -137,6 +137,7 @@ export function getRefreshTokenId(
   );
 }
 
+// Identify a token set based on a hash of its contents
 export function getStableTokenSetId(tokenSet: TokenSet): string {
   const { access_token, id_token, refresh_token, token_type, expires_at } =
     tokenSet;