rename some commands

docs/src/docPages/api/commands.md

@@ -9,7 +9,7 @@ The editor provides a ton of commands to programmtically add or change content o
 All available commands are accessible through an editor instance. Let’s say you want to make text bold when a user clicks on a button. That’s how that would look like:
 
 ```js
-editor.commands.addBold()
+editor.commands.setBold()
 ```
 
 While that’s perfectly fine and does make the selected bold, you’d likely want to change multiple commands in one run. Let’s have a look at how that works.