diff --git a/lib/libc/sys/chmod.2 b/lib/libc/sys/chmod.2
index a429944ade35..ff0b13150431 100644
--- a/lib/libc/sys/chmod.2
+++ b/lib/libc/sys/chmod.2
@@ -192,7 +192,9 @@ points outside the process's allocated address space.
 .It Bq Er EIO
 An I/O error occurred while reading from or writing to the file system.
 .It Bq Er EFTYPE
-An attempt was made to set the sticky bit upon an executable.
+The effective user ID is not the super-user, the mode includes the sticky bit
+.Dv ( S_ISVTX ) ,
+and path does not refer to a directory.
 .El
 .Pp
 The