diff --git a/doc/install.texi b/doc/install.texi
index cea95e60a..63fb6b6ec 100644
--- a/doc/install.texi
+++ b/doc/install.texi
@@ -60,6 +60,9 @@ used by the ``KDC'' in AFS. Requires Kerberos 4 support.
 Enables experimental support for reading kaserver databases in hprop.
 This is useful when migrating from a kaserver to a Heimdal KDC.
 
+@item @kbd{--enable-dce}
+Enables support for getting DCE credentials and tokens.
+
 @item @kbd{--disable-otp}
 By default some of the application programs will build with support for
 one-time passwords (OTP).  Use this option to disable that support.
@@ -88,4 +91,16 @@ Compile Heimdal with support for storing the database in LDAP.  Requires
 OpenLDAP @url{http://www.openldap.org}.  See
 @url{http://www.padl.com/~lukeh/heimdal/} for more information.
 
+@item @kbd{--enable-bigendian}
+@item @kbd{--enable-littleendian}
+Normally, the build process will figure out by itself if the machine is
+big or little endian.  It might fail in some cases when
+cross-compiling.  If it does fail to figure it out, use the relevant of
+these two options.
+
+@item @kbd{--with-mips-abi=@var{abi}}
+On Irix there are three different ABIs that can be used (@samp{32},
+@samp{n32}, or @samp{64}).  This option allows you to override the
+automatic selection.
+
 @end table