diff --git a/1984/mullender/index.html b/1984/mullender/index.html
index 583701693..b60bb37bc 100644
--- a/1984/mullender/index.html
+++ b/1984/mullender/index.html
@@ -549,7 +549,7 @@ href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1984/mullender/mu
 - original source</li>
 <li><a
 href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1984/mullender/a.out.h">a.out.h</a>
-- header file for systems that lack it for gentab.c</li>
+- header file for gentab.c for compatibility with 1984 systems</li>
 <li><a
 href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1984/mullender/gentab.c">gentab.c</a>
 - author tool to create constants</li>