diff --git a/doc/contributing.texi b/doc/contributing.texi
index 73d1cd2648..2a30b5055a 100644
--- a/doc/contributing.texi
+++ b/doc/contributing.texi
@@ -130,7 +130,7 @@ more information.
 Then, run:
 
 @example
-./configure --localstatedir=/var
+./configure --localstatedir=/var --sysconfdir=/etc
 @end example
 
 @noindent