diff --git a/rules/S6984/python/rule.adoc b/rules/S6984/python/rule.adoc
index 547a81036da..4ca3415f179 100644
--- a/rules/S6984/python/rule.adoc
+++ b/rules/S6984/python/rule.adoc
@@ -4,7 +4,7 @@ This rule raises an issue when an incorrect pattern is provided to an `einops` o
 == Why is this an issue?
 
 The `einops` library provides a powerful and flexible way to manipulate tensors using the Einstein summation convention.
-The `einops` uses a different convention than the https://rockt.github.io/2018/04/30/einsum[traditional] one.
+The `einops` uses a different convention than the https://ejenner.com/post/einsum/[traditional] one.
 In particular, the axis names can be more than one letter long and are separated by spaces.