nicer output, comment

src/scenarios/e2e-encryption.js

@@ -39,9 +39,10 @@ module.exports = async function e2eEncryptionScenarios(alice, bob) {
     bob.log.step(`starts SAS verification with ${alice.username}`);
     const bobSasPromise = startSasVerifcation(bob, alice.username);
     const aliceSasPromise = acceptSasVerification(alice, bob.username);
+    // wait in parallel, so they don't deadlock on each other
     const [bobSas, aliceSas] = await Promise.all([bobSasPromise, aliceSasPromise]);
     assert.deepEqual(bobSas, aliceSas);
-    bob.log.done(`done, (${bobSas.join(", ")}) matches!`);
+    bob.log.done(`done (match for ${bobSas.join(", ")})`);
     const aliceMessage = "Guess what I just heard?!"
     await sendMessage(alice, aliceMessage);
     await receiveMessage(bob, {sender: "alice", body: aliceMessage, encrypted: true});