diff --git a/share/mk/doc.docbook.mk b/share/mk/doc.docbook.mk
index 2acad03be8..a70e60781d 100644
--- a/share/mk/doc.docbook.mk
+++ b/share/mk/doc.docbook.mk
@@ -680,6 +680,13 @@ ${DOC}.${_curformat}.${_curcompress}:
 # Redefine them to do things before and after the files are installed,
 # respectively.
 
+spellcheck:
+.for _entry in ${_docs}
+	@echo "Spellcheck ${_entry}"
+	@${HTML2TXT} ${HTML2TXTOPTS} ${.CURDIR}/${_entry} | ${ISPELL} ${ISPELLOPTS}
+.endfor
+
+
 #
 # Build a list of install-format targets to be installed. These will be
 # dependencies for the "realinstall" target.
diff --git a/share/mk/doc.project.mk b/share/mk/doc.project.mk
index 74270f6d97..626bcaaf6a 100644
--- a/share/mk/doc.project.mk
+++ b/share/mk/doc.project.mk
@@ -75,6 +75,10 @@ LN?=		/bin/ln
 MKDIR?=		/bin/mkdir -p
 RM?=		/bin/rm
 MV?=		/bin/mv
+HTML2TXT?=	${PREFIX}/bin/w3m
+HTML2TXTOPTS?=	-dump ${HTML2TXTFLAGS}
+ISPELL?=	ispell
+ISPELLOPTS?=	-l -p /usr/share/dict/freebsd ${ISPELLFLAGS}
 
 # Image processing (contains code used by the doc.<format>.mk files, so must
 # be listed first).