Index: head/lib/libsysdecode/sysdecode_ioctlname.3
===================================================================
--- head/lib/libsysdecode/sysdecode_ioctlname.3	(revision 315309)
+++ head/lib/libsysdecode/sysdecode_ioctlname.3	(revision 315310)
@@ -1,60 +1,60 @@
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 .Dd October 17, 2016
 .Dt sysdecode_ioctlname 3
 .Os
 .Sh NAME
 .Nm sysdecode_ioctlname
 .Nd lookup name of device control command
 .Sh LIBRARY
 .Lb libsysdecode
 .Sh SYNOPSIS
 .In sys/types.h
 .In stdbool.h
 .In sysdecode.h
-.Ft conts char *
+.Ft const char *
 .Fn sysdecode_ioctlname "unsigned long request"
 .Sh DESCRIPTION
 The
 .Fn sysdecode_ioctlname
 function returns the name of a device control request identified by
 .Fa request .
 A table of names is generated during the build of the
 .Nm sysdecode
 library from system headers that maps device control request values to
 the name of the corresponding C macro.
 .Sh RETURN VALUES
 The
 .Fn sysdecode_ioctlname
 function returns the name of a device control request if
 .Fa request
 is a known value;
 otherwise
 .Dv NULL .
 .Sh SEE ALSO
 .Xr sysdecode 3