diff --git a/configure.in b/configure.in
index f22cb57c0..fa120eec8 100644
--- a/configure.in
+++ b/configure.in
@@ -1,7 +1,7 @@
 dnl Process this file with autoconf to produce a configure script.
 
 dnl Autoconf 2.13 generates an incomplete config.h.in; see ELinks bug 936.
-dnl Autoconf 2.59 is installed in the computer that generates our daily
+dnl Autoconf 2.59 is installed in the computer that generates our nightly
 dnl snapshots, so we need to be compatible with that.
 AC_PREREQ(2.59)
 AC_INIT