If the dock gets confused or you need to reset it to the default settings for any other reason, you can do this through Terminal...
Open Terminal (located in the Utilities folder). Type (or copy and paste) this: defaults delete com.apple.dock; killall Dock Hit return.
I usually write a blog post about once a week. The latest post can be viewed here: Chuck: He was arguably the most famous pilot in history. (posted 2024-10-31 at 20:34:16). I do podcasts too!. You can listen to my latest podcast, here: OJB's Podcast 2024-08-22 Stirring Up Trouble: Let's just get every view out there and fairly debate them..