More formatting of hints.md

Author: jhein32

docs/hints.md

@@ -38,5 +38,6 @@ where COMMAND is the Linux command you want information about, like ``ls``, ``mk
 !!! warning
 
     **Passwords in the history file**
-    If you enter a password (e.g. login password for a computer or website) at the command prompt and hit return, the password will be included into the <code>.bash_history</code> file once you log off.  This is not encrypted in any way.  In particular when using a shared system such as offered by NAISS, it is best to reset the password to a new value on the computer or website where you have been using it.
+    
+    If you enter a password (e.g. login password for a computer or website) at the command prompt and hit return, the password will be included into the <code>.bash_history</code> file once you log off.  Neither the password nor the history file are encrypted in any way.  In particular when using a shared system such as offered by NAISS, it is best to reset the password on the computer or website where you have been using it, to a new value.