From fd1637c82a7e5a06e4a4de2c7ec518c21278abd5 Mon Sep 17 00:00:00 2001
From: Prefetch
Date: Thu, 1 Apr 2021 19:58:34 +0200
Subject: Expand knowledge base

---
 content/know/concept/cauchy-stress-tensor/index.pdc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'content/know/concept/cauchy-stress-tensor/index.pdc')

diff --git a/content/know/concept/cauchy-stress-tensor/index.pdc b/content/know/concept/cauchy-stress-tensor/index.pdc
index 6c7c97a..a26e2a8 100644
--- a/content/know/concept/cauchy-stress-tensor/index.pdc
+++ b/content/know/concept/cauchy-stress-tensor/index.pdc
@@ -171,7 +171,7 @@ $$\begin{aligned}
 \end{aligned}$$
 
 For some people, this equation may be more enlightening in index notation,
-where $\vec{\sigma}_i$ is the $i$th row of the tensor (implicitly transposed):
+where $\nabla_j = \pdv*{x_j}$ is the partial derivative with respect to the $j$th coordinate:
 
 $$\begin{aligned}
     F_{s, i}
-- 
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