Update user.dbk

bochs/doc/docbook/user/user.dbk

@@ -5171,7 +5171,8 @@ Example for breaking on "XCHGW %DI, %DI" or "CHGW %SP, %SP" execution
 <screen>
   magic_break: enabled=1 %di %sp
 </screen>
-Example for breaking on "XCHGW %BX, %BX" execution (Windows XP ntldr can cause problems with %BX):
+If nothing is specified, the default will be used: XCHGW %BX, %BX 
+Note: Windows XP ntldr can cause problems with XCHGW %BX, %BX
 <screen>
   magic_break: enabled=1
 </screen>
@@ -7400,7 +7401,7 @@ The symbol file consists of zero or more lines of the format <screen>"%x %s"</sc
 
 <screen>setmagicbps "%cx %dx %bx %sp %bp %si %di"</screen>
 
-Changes magic breakpoints. setmagicbps without args disable all of them.
+Changes magic breakpoints. You can specify multiple at once. Using the 'setmagicbps' command without any arguments will disable all of them
 
 <screen>show [<varname>string</varname>]</screen>