From e749a33c285feaf0b96373b2c9f52527169ec972 Mon Sep 17 00:00:00 2001
From: Jacob Lifshay <programmerjake@gmail.com>
Date: Wed, 31 May 2023 22:02:48 -0700
Subject: [PATCH] link to a tag rather than a branch for reproducability

---
 openpower/sv/twin_butterfly.mdwn | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/openpower/sv/twin_butterfly.mdwn b/openpower/sv/twin_butterfly.mdwn
index f531615a0..f700e21a0 100644
--- a/openpower/sv/twin_butterfly.mdwn
+++ b/openpower/sv/twin_butterfly.mdwn
@@ -57,7 +57,7 @@ one would just have to call the same instruction with different order a,
 b and a different constant c.
 
 Example taken from libvpx
-<https://chromium.googlesource.com/webm/libvpx/+/refs/heads/main/vpx_dsp/fwd_txfm.c#132>:
+<https://chromium.googlesource.com/webm/libvpx/+/refs/tags/v1.13.0/vpx_dsp/fwd_txfm.c#132>:
 
 ```
     #include <stdint.h>
-- 
2.30.2