Use the \note and \warning macros where appropriate.
diff --git a/Doc/lib/libpwd.tex b/Doc/lib/libpwd.tex
index 784f478..ae2551b 100644
--- a/Doc/lib/libpwd.tex
+++ b/Doc/lib/libpwd.tex
@@ -24,13 +24,13 @@
 The uid and gid items are integers, all others are strings.
 \exception{KeyError} is raised if the entry asked for cannot be found.
 
-\strong{Note:} In traditional \UNIX{} the field \code{pw_passwd} usually
+\note{In traditional \UNIX{} the field \code{pw_passwd} usually
 contains a password encrypted with a DES derived algorithm (see module
 \refmodule{crypt}\refbimodindex{crypt}).  However most modern unices 
 use a so-called \emph{shadow password} system.  On those unices the
 field \code{pw_passwd} only contains a asterisk (\code{'*'}) or the 
 letter \character{x} where the encrypted password is stored in a file
-\file{/etc/shadow} which is not world readable.
+\file{/etc/shadow} which is not world readable.}
 
 It defines the following items: