12315 errors in section 7i of the manual

@@ -12,11 +12,11 @@
 .\" When distributing Covered Code, include this CDDL HEADER in each
 .\" file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 .\" If applicable, add the following below this CDDL HEADER, with the fields
 .\" enclosed by brackets "[]" replaced with your own identifying
 .\" information: Portions Copyright [yyyy] [name of copyright owner]
-.Dd October 22, 2017
+.Dd February 17, 2020
 .Dt FBIO 7I
 .Os
 .Sh NAME
 .Nm fbio
 .Nd frame buffer control operations

@@ -135,12 +135,11 @@
 .Dv FBIOGDEVINFO
 are used to transfer
 variable-length, device-specific information into and out of framebuffers.
 .Sh SEE ALSO
 .Xr ioctl 2 ,
-.Xr mmap 2 ,
-.Xr cgsix 7D
+.Xr mmap 2
 .Sh BUGS
 The
 .Dv FBIOSATTR
 and
 .Dv FBIOGATTR