As I stated in the topic, I made a PM free of typos, but when I sent that message, it did not look like the one I made. To explain, a word was missing entirely and spacing was wrong.
This has actually been occurring for some time. Now, I am reporting it because it is the first time I have experienced this with a private message and I am unable to edit that message any further once sent. This bug has been occurring for quite some time since the major changes last year and it seems to be affecting private messages as well.
Please investigate this.