docs: fix typos

README.md

@@ -4,7 +4,7 @@ What the heck is *Kirby Better Link* about? Glad you asked! *Kirby Better Link*
 
 1. Can't remember all the pesky and way to long Page URLs,
 2. Want to build up or optimize your internal link structure for SEO without any effort
-3. Looking for a convienient way to deal with internal links
+3. Looking for a convenient way to deal with internal links
 
 *Kirby Better Link* is a Kirby 3 plugin which makes it easy to add internal or external references to your content by extending the default link dialog of Kirby's [textarea fields](https://getkirby.com/docs/reference/panel/fields/textarea#toolbar).
 
@@ -14,13 +14,13 @@ What the heck is *Kirby Better Link* about? Glad you asked! *Kirby Better Link*
 
 ## How to use
 
-After you installed *Kirby Better Link* successfully, open a page of your choice and click the link toolbar button. Make sure the toolbar or the link button [isn't switched off](https://getkirby.com/docs/reference/panel/fields/textarea#toolbar__disabling-the-toolbar).
+After you've installed *Kirby Better Link* successfully, open a page of your choice and click the link toolbar button. Make sure the toolbar or the link button [isn't switched off](https://getkirby.com/docs/reference/panel/fields/textarea#toolbar__disabling-the-toolbar).
 
-After you clicked the link toolbar button a modal window gets openend which consists two tabs:
+After you clicked the link toolbar button, a modal window gets openend which consists two tabs:
 
 The "*External Link*" tab is exactly what you've had before.
 
-Where it gets intresting is the "*Internal Link*" tab. Within this tab you can:
+Where it gets interesting is the "*Internal Link*" tab. Within this tab you can:
 
 - search for specific pages (by page title)
 - paginate through all existing pages (published/unpublished)