diff -ur make-3.80.orig/doc/make.texi make-3.80/doc/make.texi
--- make-3.80.orig/doc/make.texi	2004-12-21 20:42:16.000000000 -0500
+++ make-3.80/doc/make.texi	2004-12-21 20:40:29.000000000 -0500
@@ -4903,7 +4903,7 @@
 making it a simply-expanded variable, @samp{+=} adds to that
 simply-expanded definition, and expands the new text before appending it
 to the old value just as @samp{:=} does
-(@pxref{Setting, ,Setting Variables}, for a full explanation of @samp{:=}).
+(@pxref{Setting, ,Setting Variables} for a full explanation of @samp{:=}).
 In fact,
 
 @example