use backticks instead of quotes

Author: shmsr

packages/salesforce/manifest.yml

@@ -68,7 +68,7 @@ vars:
  title: Password
  secret: true
  description: |
- The password for your Salesforce account, used in the OAuth 2.0 Username-Password authentication flow. If a security token is required, append it to the password. For example, if your password is "password" and your security token is "12345", enter "password12345".
+ The password for your Salesforce account, used in the OAuth 2.0 Username-Password authentication flow. If a security token is required, append it to the password. For example, if your password is `password` and your security token is `12345`, enter `password12345`.
  required: false
  show_user: true
  default: password