Add the ABI version in the place where LANDLOCK_RULE_NET_PORT is
described.  For LANDLOCK_RULE_PATH_BENEATH, the ABI version is
implicit, it is supported since the start.

Signed-off-by: Günther Noack <redacted>
---
 man/man2/landlock_add_rule.2 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/man/man2/landlock_add_rule.2 b/man/man2/landlock_add_rule.2
index 48d7d3b25c9e..fe01a98d99ea 100644
--- a/man/man2/landlock_add_rule.2
+++ b/man/man2/landlock_add_rule.2

@@ -80,7 +80,7 @@ flag,
 which identifies the parent directory of the file hierarchy or
 just a file.
 .TP
-.B LANDLOCK_RULE_NET_PORT
+.BR LANDLOCK_RULE_NET_PORT "  (since Landlock ABI version 4)"
 For these rules,
 the object is a TCP port,
 and the related actions are defined with

-- 
2.53.0