diff --git a/docs/nmap.dtd b/docs/nmap.dtd
index 45932fb53..45d0b1967 100644
--- a/docs/nmap.dtd
+++ b/docs/nmap.dtd
@@ -74,7 +74,7 @@
 -->
 <!ELEMENT nmaprun      (scaninfo*, verbose, debugging,
                         ((taskbegin, taskprogress*, taskend) |
-                            prescripts | postscripts | host | output)*,
+                            prescript | postscript | host | output)*,
                             runstats) >
 <!ATTLIST nmaprun
 			scanner		(nmap)		#REQUIRED