[PATCH v2 nf-next] docs: tproxy: fix formatting for nft code block

[Chen Linxuan]

The nft command snippet for redirecting traffic isn't formatted
in a literal code block like the rest of snippets.
Fix the formatting inconsistency.

Signed-off-by: Chen Linxuan <chenlinxuan@xxxxxxxxxxxxx>
---
v2:
  - Update commit message according to suggestion from Bagas
v1: https://lore.kernel.org/all/CFD0AAF9D7040B1E+20250407031727.1615941-1-chenlinxuan@xxxxxxxxxxxxx/
---
 Documentation/networking/tproxy.rst | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/networking/tproxy.rst b/Documentation/networking/tproxy.rst
index 7f7c1ff6f159..75e4990cc3db 100644
--- a/Documentation/networking/tproxy.rst
+++ b/Documentation/networking/tproxy.rst
@@ -69,9 +69,9 @@ add rules like this to the iptables ruleset above::
     # iptables -t mangle -A PREROUTING -p tcp --dport 80 -j TPROXY \
       --tproxy-mark 0x1/0x1 --on-port 50080
 
-Or the following rule to nft:
+Or the following rule to nft::
 
-# nft add rule filter divert tcp dport 80 tproxy to :50080 meta mark set 1 accept
+    # nft add rule filter divert tcp dport 80 tproxy to :50080 meta mark set 1 accept
 
 Note that for this to work you'll have to modify the proxy to enable (SOL_IP,
 IP_TRANSPARENT) for the listening socket.
-- 
2.48.1