diff --git a/doc/latex/uri.tex b/doc/latex/uri.tex
index 5516f17..bcf42c4 100644
--- a/doc/latex/uri.tex
+++ b/doc/latex/uri.tex
@@ -75,12 +75,10 @@ parse---that's why escape sequences are used in URIs.
 \defvar{uri-escaped-chars}{char-set}
 \begin{desc}
   This is a set of characters (in the sense of SRFI~14) which are
-  escaped in URIs.  These are the
-  following characters: \verb|$|, \verb|-|, \verb|_|, \verb|@|, %$
-  \verb|.|, \verb|&|, \verb|!|, \verb|*|, \verb|\|, \verb|"|,
-  \verb|'|, \verb|(|, \verb|)|, \verb|,|, \verb|+|, and all other
-  characters that are neither letters nor digits (such as space and
-  control characters).
+  escaped in URIs.  RFC 2396 defines this set as all characters which 
+  are neither letters, nor digits, nor one of the following characters:
+   \verb|-|, \verb|_|, \verb|.|, \verb|!|, %$
+   \verb|~|, \verb|*|, \verb|'|, \verb|(|, \verb|)|.
 \end{desc}
 
 \defun{escape-uri} {string [escaped-chars]} {string}