[llvm] Improve formatting in BAT.md (PR #170254)

[via llvm-commits]

https://github.com/Akshiitaa06 created https://github.com/llvm/llvm-project/pull/170254

Make "Header" a subheading to improve readability in the Functions table section.

>From a3436ae25e1ee904fcaa8f1a7c2c56b47ea5183b Mon Sep 17 00:00:00 2001
From: Akshiitaa06 <akshitasaxena206 at gmail.com>
Date: Tue, 2 Dec 2025 12:43:29 +0530
Subject: [PATCH] Improve formatting in BAT.md

Make "Header" a subheading to improve readability in the Functions table section.
---
 bolt/docs/BAT.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/bolt/docs/BAT.md b/bolt/docs/BAT.md
index 817ad288aa34b..fa43e81553d5c 100644
--- a/bolt/docs/BAT.md
+++ b/bolt/docs/BAT.md
@@ -61,6 +61,7 @@ Functions table:
 
 ### Functions table
 Hot and cold functions tables share the encoding except differences marked below.
+
 Header:
 | Entry  | Encoding | Description |
 | ------ | ----- | ----------- |