chore: cleanup comments and minor spelling

Author: ts-amz

source/packages/services/certificatevendor/README.md

@@ -53,8 +53,8 @@ The private CA needs to be registered with AWS IoT. The example registration ste
   $ aws iot register-ca-certificate --ca-certificate file://Certificate.pem --verification-certificate file://Verify.crt --region ap-northeast-1 --set-as-active
 ```
 
-The registered CA Certificate ID and PCA Authority Arn needs to be inputted
-in the in the inquiry prompt in the installer, or request body as parameters.
+The registered CA Certificate ID and PCA Authority Arn need to be entered
+in the inquiry prompt in the installer or request body as parameters.
 
 ## Deployment
 

source/packages/services/installer/src/commands/modules/service/certificateVendor.ts

@@ -104,7 +104,7 @@ export class CertificateVendorInstaller implements ServiceModule {
                     askAnswered: true,
                     validate: (answer: string) => {
                         if (answer?.length === 0) {
-                            return true; // TODO: should this be false?
+                            return true;
                         }
                         return CommonArnValidations.validateAwsIAMRoleArn(answer);
                     },

source/packages/services/installer/src/utils/common-arn-validations.ts

@@ -9,7 +9,7 @@ export function validateAcmPcaArn(arn: string): boolean | string {
 export function validateAwsIotCaID(arn: string): boolean | string {
     return /^[A-Za-z0-9]+(?:[A-Za-z0-9]+)+$/.test(arn)
         ? true
-        : 'Value is not a valid AWS IoT CA Arn';
+        : 'Value is not a valid AWS IoT CA ID';
 }
 
 export function validateAwsIAMRoleArn(arn: string): boolean | string {