Command syntax help can get cut off at the edge of the screen

The Bug:

Command syntax help can get cut off at the edge of the screen.

Steps to Reproduce:

1. Open chat and paste the following command without entering.

   /give @s aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

2. Type more of the letter "a" if necessary and look at the command syntax help text.
3. Take note as to whether or not command syntax help can get cut off at the edge of the screen.

Observed Behavior:

Command syntax help can get cut off at the edge of the screen.

Expected Behavior:

Command syntax help would not get cut off at the edge of the screen.