fix typos in comments (only)

aws/CreateAuthChallenge.js

@@ -10,7 +10,7 @@ exports.handler = async (event) => {
     const challenge = crypto.randomBytes(64).toString('hex');
 
     event.response.publicChallengeParameters = {
-        credId: JSON.parse(publicKeyCredJSON).id, //credetnial id
+        credId: JSON.parse(publicKeyCredJSON).id, //credential id
         challenge: challenge
     };
 

aws/DefineAuthChallenge.js

@@ -1,10 +1,10 @@
 /**
  * 1- if user doesn't exist, throw exception
  * 2- if CUSTOM_CHALLENGE answer is correct, authentication successful
- * 3- if PASSWORD_VERIFIER challenge answer is correct, return custom challeneg (3,4 will be appliable if password+fido is selected)
+ * 3- if PASSWORD_VERIFIER challenge answer is correct, return custom challenge (3,4 will be appliable if password+fido is selected)
  * 4- if challenge name is SRP_A, return PASSWORD_VERIFIER challenge (3,4 will be appliable if password+fido is selected)
  * 5- if 5 attempts with no correct answer, fail authentication
- * 6- default is to respond with CUSTOM_CHALLENEG --> password-less authentication
+ * 6- default is to respond with CUSTOM_CHALLENGE --> password-less authentication
  * */
 
 exports.handler = (event, context, callback) => {

aws/VerifyAuthChallenge.js

@@ -7,11 +7,11 @@ exports.handler = async (event) => {
     const challenge = event.request.privateChallengeParameters.challenge;
     const credId = event.request.privateChallengeParameters.credId;
 
-    //--------publickey information
+    //--------public-key information
     var publicKeyCred = event.request.userAttributes["custom:publicKeyCred"];
     var publicKeyCredJSON = JSON.parse(Buffer.from(publicKeyCred, 'base64').toString('ascii'));
 
-    //-------get challenge ansower
+    //-------get challenge answer
     const challengeAnswerJSON = JSON.parse(event.request.challengeAnswer);
 
     const verificationResult = await validateAssertionSignature(publicKeyCredJSON, challengeAnswerJSON);

public/webauthn-client.js

@@ -209,7 +209,7 @@
          ]
       }
 
-      //get sign in credentials from authenticator
+      //get sign-in credentials from authenticator
       const cred = await navigator.credentials.get({
         publicKey: signinOptions
       });