doc: Reference geom(4) for FreeBSD users

On FreeBSD, write access to Rank 1 geom providers is disabled
by default.  However, it can be enabled with the `kern.geom.debugflags`
sysctl as documented in geom(4). Point users to that manual page
for smoother experience.

Signed-off-by: Mateusz Piotrowski 0mp@FreeBSD.org

diff --git a/HOWTO.rst b/HOWTO.rst
index d173702b1d38f3375df91adb6943399464110a4b..847c035637226aaf32c2f6b37cfef37dc6c62b73 100644 (file)
--- a/HOWTO.rst
+++ b/HOWTO.rst
@@ -801,7 +801,7 @@ Target file/device
 
        On Windows, disk devices are accessed as :file:`\\\\.\\PhysicalDrive0` for
        the first device, :file:`\\\\.\\PhysicalDrive1` for the second etc.
-       Note: Windows and FreeBSD prevent write access to areas
+       Note: Windows and FreeBSD (refer to geom(4)) prevent write access to areas
        of the disk containing in-use data (e.g. filesystems).
 
        The filename "`-`" is a reserved name, meaning *stdin* or *stdout*.  Which