Index: doc/autoconf.texi
===================================================================
RCS file: /cvsroot/autoconf/autoconf/doc/autoconf.texi,v
retrieving revision 1.922
diff -u -r1.922 autoconf.texi
--- doc/autoconf.texi	30 Jun 2005 12:29:19 -0000	1.922
+++ doc/autoconf.texi	30 Jun 2005 12:41:41 -0000
@@ -12282,9 +12282,9 @@
 foo
 @end example
 
-Also note that Posix requires that the arguments of the @samp{b}, @samp{t},
address@hidden, and @samp{w} commands be separated by exactly one space from their
-command.  On the other hand, no white space is allowed between @samp{:} and the
+Also note that Posix requires that the @samp{b}, @samp{t}, @samp{r}, and
address@hidden commands be followed by exactly one space before their argument.
+On the other hand, no white space is allowed between @samp{:} and the
 subsequent label name.
 
 @item @command{sed} (@samp{t})