[PATCH 3/3] binfmt_misc: document the field delimiter

[Christian Brauner]

Document the field delimiter.

Signed-off-by: Christian Brauner (Amutable) <brauner@xxxxxxxxxx>
---
 Documentation/admin-guide/binfmt-misc.rst | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/admin-guide/binfmt-misc.rst b/Documentation/admin-guide/binfmt-misc.rst
index d26b63a27c25..9e84b877d06d 100644
--- a/Documentation/admin-guide/binfmt-misc.rst
+++ b/Documentation/admin-guide/binfmt-misc.rst
@@ -19,6 +19,9 @@ To actually register a new binary type, you have to set up a string looking like
 ``:name:type:offset:magic:mask:interpreter:flags`` (where you can choose the
 ``:`` upon your needs) and echo it to ``/proc/sys/fs/binfmt_misc/register``.
 
+The first character of the string is its field delimiter and can be any
+ASCII punctuation character other than the backslash ``\``.
+
 Here is what the fields mean:
 
 - ``name``

-- 
2.53.0