diff --git a/README b/README
index 7bece10..622e83f 100644
--- a/README
+++ b/README
@@ -81,8 +81,7 @@
 
   Of course you also need "make" (most likely GNU make).
 
-  You also need flex version 2.5 or later and yacc.
-  Bison will work as a replacement for yacc. If you are
+  You also need flex version 2.5 or later and bison.  If you are
   using RedHat or Debian, install the flex and bison packages.
 
 Optional support libraries: