docs: Fix hyphenation - change 're-(attach)' to 'reattach' in about_tmux.md

Author: tony

docs/about_tmux.md

@@ -149,7 +149,7 @@ You can switch between the windows you create.
 ### Resume everything later
 
 You can leave tmux and all applications running (detach), log out, make
-a sandwich, and re-(attach), all applications are still running!
+a sandwich, and reattach, all applications are still running!
 
 ```{eval-rst}
 .. aafig::