docs: bpf: Capitalise document heading

The majority of files in the kernel documentation index use
capitalisation for all words, especially the shorter ones.  BPF docs
better fit in with the rest of the documentation if the heading is all
capitalised.

Capitalise document heading.

Signed-off-by: Tobin C. Harding <me@tobin.cc>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/Documentation/bpf/index.rst b/Documentation/bpf/index.rst
index ab2ff13a809b..00a8450a602f 100644
--- a/Documentation/bpf/index.rst
+++ b/Documentation/bpf/index.rst
@@ -1,5 +1,5 @@
 =================
-BPF documentation
+BPF Documentation
 =================
 
 This directory contains documentation for the BPF (Berkeley Packet