This is absolutely true and I am guilty of it myself. Multi word passwords with spaces are SO much more secure than random characters. Unfortunately WAY too many services still disallow spaces in passwords. Battery Horse Staple Correct! (apologies to XKCD)

Your Clever Password Tricks Aren't Protecting You from Today's Hackers
Security breaches happen so often nowadays, you're probably sick of hearing about them and all the ways you should beef up your accounts. Even if you feel you've heard it all already, though, unfortunately, today's password-cracking tools are more advanced and cut through the clever password tricks….