All outbound communication from Cantilever should use correct typography including curly quotes and apostrophes.
Here is a discussion of why using the correct quotes is important:
Here is how to type them:
We recommend that you memorize the keyboard shortcuts so you can type them directly in apps which don‘t automatically generate them (Like Basecamp). It’s not critical except in outbound communication. In site content it can actually cause bugs to include straight quotes in some kinds of content and curly quotes are always safe.