diff --git a/ChangeLog b/ChangeLog
index 186fe19d..6aaa1e4c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,7 @@
 2006-10-16  Eric Blake  <ebb9@byu.net>
 
+	* doc/autoconf.texi (Setting Output Variables): Fix typo.
+
 	* bin/autoconf.as (version): Reword to match GNU Coding
 	Standards.
 	* bin/autoheader.in (version): Likewise.
diff --git a/doc/autoconf.texi b/doc/autoconf.texi
index 08874977..64f5908d 100644
--- a/doc/autoconf.texi
+++ b/doc/autoconf.texi
@@ -8356,7 +8356,7 @@ The string @var{variable} is passed to @code{m4_pattern_allow}
 (@pxref{Forbidden Patterns}).
 @end defmac
 
-@cindex Previous Variable
+@cindex Precious Variable
 @cindex Variable, Precious
 Running @command{configure} in varying environments can be extremely
 dangerous.  If for instance the user runs @samp{CC=bizarre-cc