diff --git a/BUILDING b/BUILDING
index 8aa3ad69a87e..bf6a87c80ff5 100644
--- a/BUILDING
+++ b/BUILDING
@@ -632,8 +632,8 @@ BUILDING
                    set (see above).
 
      iso-image     Create a NetBSD installation CD-ROM image in the
-                   RELEASEDIR/iso directory.  The CD-ROM file system will have
-                   a layout as described in release(7).
+                   RELEASEDIR/images directory.  The CD-ROM file system will
+                   have a layout as described in release(7).
 
                    For most machine types, the CD-ROM will be bootable, and
                    will automatically run the sysinst(8) menu-based
@@ -649,8 +649,8 @@ BUILDING
                    the RELEASEDIR/RELEASEMACHINEDIR/installation/cdrom
                    directory by ``make release''.  These smaller images
                    usually contain the same tools as the larger images in
-                   RELEASEDIR/iso, but do not contain additional content such
-                   as the distribution sets.
+                   RELEASEDIR/images, but do not contain additional content
+                   such as the distribution sets.
 
                    Note that the mac68k port still uses an older method of
                    creating CD-ROM images.  This requires the mkisofs(1)
@@ -659,8 +659,8 @@ BUILDING
 
      iso-image-source
                    Create a NetBSD installation CD-ROM image in the
-                   RELEASEDIR/iso directory.  The CD-ROM file system will have
-                   a layout as described in release(7).  It will have top
+                   RELEASEDIR/images directory.  The CD-ROM file system will
+                   have a layout as described in release(7).  It will have top
                    level directories for the machine type and source.
 
                    For most machine types, the CD-ROM will be bootable, and
@@ -678,8 +678,8 @@ BUILDING
                    the RELEASEDIR/RELEASEMACHINEDIR/installation/cdrom
                    directory by ``make release''.  These smaller images
                    usually contain the same tools as the larger images in
-                   RELEASEDIR/iso, but do not contain additional content such
-                   as the distribution sets.
+                   RELEASEDIR/images, but do not contain additional content
+                   such as the distribution sets.
 
                    Note that the mac68k port still uses an older method of
                    creating CD-ROM images.  This requires the mkisofs(1)