quaffing documentation

some of the places quaff was documented tried to be general about what it
applied to, but other places, including the Guidebook, were not.

doc/Guidebook.tex

@@ -27,7 +27,7 @@
 \begin{document}
 %
 % input file: guidebook.mn
-% $Revision: 1.62 $ $Date: 2003/03/14 13:50:58 $
+% $Revision: 1.63 $ $Date: 2003/04/03 10:56:39 $
 %
 %.ds h0 "
 %.ds h1 %.ds h2 \%
@@ -40,7 +40,7 @@
 %.au
 \author{Eric S. Raymond\\
 (Extensively edited and expanded for 3.4)}
-\date{April 2, 2003}
+\date{April 4, 2003}
 
 \maketitle
 
@@ -757,7 +757,7 @@ Repeat previous message.  Subsequent {\tt \^{}P}'s repeat earlier messages.
 The behavior can be varied via the msg_window option.
 %.lp
 \item[\tb{q}]
-Quaff (drink) a potion.
+Quaff (drink) something (potion, water, etc).
 %.lp
 \item[\tb{Q}]
 Select an object for your quiver.  You can then throw this using