diff --git a/lib/libc/sys/open.2 b/lib/libc/sys/open.2
--- a/lib/libc/sys/open.2
+++ b/lib/libc/sys/open.2
@@ -572,12 +572,6 @@
 .Dv O_EXEC
 or
 .Dv O_SEARCH .
-.It Bq Er EINVAL
-The
-.Dv O_RESOLVE_BENEATH
-flag is specified and
-.Dv path
-is absolute.
 .It Bq Er EBADF
 The
 .Fa path
@@ -606,19 +600,32 @@
 was called and the process is in capability mode.
 .It Bq Er ENOTCAPABLE
 .Fa path
-is an absolute path,
-or contained a ".." component leading to a
-directory outside of the directory hierarchy specified by
-.Fa fd ,
+is an absolute path and the process is in capability mode.
+.It Bq Er ENOTCAPABLE
+.Fa path
+is an absolute path and
+.Dv O_RESOLVE_BENEATH
+is specified.
+.It Bq Er ENOTCAPABLE
+.Fa path
+contained a ".." component leading to a directory outside
+of the directory hierarchy specified by
+.Fa fd
 and the process is in capability mode.
 .It Bq Er ENOTCAPABLE
-The
-.Dv O_RESOLVE_BENEATH
-flag was provided, and the relative
 .Fa path
-escapes the
-.Ar fd
-directory.
+contained a ".." component leading to a directory outside
+of the directory hierarchy specified by
+.Fa fd
+and
+.Dv O_RESOLVE_BENEATH
+is specified.
+.It Bq Er ENOTCAPABLE
+.Fa path
+contained a ".." component, the
+.Dv vfs.lookup_cap_dotdot
+.Xr sysctl 3
+is set, and the process is in capability mode.
 .El
 .Sh SEE ALSO
 .Xr chmod 2 ,