Reword Safari Browser warning in FAQ

This version is actually backported from FAQ on zbib.org, somehow
updated version never made it into repository.

src/html/faq.md

@@ -51,7 +51,7 @@ ZoteroBib supports over 10,000 [CSL](http://citationstyles.org/) styles, includi
 
 Your bibliography is stored in your browser's local storage by default. You can close the page and return to it later, and your bibliography will still be there — no need to worry about saving your data or logging in.
 
-Safari browser, as well as any other browser on iOS, will automatically clear local storage for any website you don't visit for 7 days, therefore it's recommended to use <i>Link to this version</i> feature on these browsers to persist your bibliography.
+Safari on macOS and iOS, as well as any other browser on iOS, will automatically clear local storage for any website you don’t visit for 7 days. We recommended using Link to this version on these browsers to persist your bibliography.
 
 If you want to load your bibliography on another computer, you can use <i>Link to this version</i> to upload a copy to zbib.org and generate a link that you can use to retrieve that version of your bibliography later. (We recommend storing the link in the document you're working on so you have everything in one place.) Once you've generated a link and stored it safely, you can click <i>Delete All</i> if you want to remove the bibliography from the current computer.