diff --git a/BUILDING.html b/BUILDING.html
index 4ee773751edf..769e223f36ac 100644
--- a/BUILDING.html
+++ b/BUILDING.html
@@ -768,6 +768,9 @@ and
 before building (provides a clean starting point).  This will skip deleting
 <b></b><b>DESTDIR</b>
 if building on a native system to the root directory.
+<p><dt><b></b><b>-t</b><dd>
+Build and install tools only.  This option implies
+<b></b><b>-b</b>.
 <p><dt><b></b><b>-u</b><dd>
 Set the
 <b></b><b>UPDATE</b>
@@ -874,3 +877,6 @@ system.
 </font></body>
 </html>
 
+
+
+
diff --git a/BUILDING.mdoc b/BUILDING.mdoc
index 1d5bd8addead..c43ce7f16125 100644
--- a/BUILDING.mdoc
+++ b/BUILDING.mdoc
@@ -1,4 +1,4 @@
-.\"	$NetBSD: BUILDING.mdoc,v 1.5 2001/10/31 23:20:34 tv Exp $
+.\"	$NetBSD: BUILDING.mdoc,v 1.6 2001/11/01 00:14:45 thorpej Exp $
 .\"
 .\" Copyright (c) 2001 The NetBSD Foundation, Inc.
 .\" All rights reserved.
@@ -771,6 +771,9 @@ before building (provides a clean starting point).  This will skip deleting
 .Sy DESTDIR
 if building on a native system to the root directory.
 .
+.It Sy -t
+Build and install tools only.  This option implies
+.Sy -b .
 .It Sy -u
 Set the
 .Sy UPDATE
diff --git a/BUILDING.txt b/BUILDING.txt
index 5eb0928e721e..a624814a8254 100644
--- a/BUILDING.txt
+++ b/BUILDING.txt
@@ -423,6 +423,8 @@ BUILDING
                (provides a clean starting point).  This will skip deleting
                DESTDIR if building on a native system to the root directory.
 
+     -t        Build and install tools only.  This option implies -b.
+
      -u        Set the UPDATE variable.
 
      -w wrapper