= -> \subset

Thanks to Xiaolong Liu
https://stacks.math.columbia.edu/tag/0F0V#comment-8286

etale-cohomology.tex

@@ -19739,7 +19739,7 @@ \section{Cohomological dimension}
 (R^qj_*\mathcal{F})_{\overline{y}} =
 H^q(\Spec(\mathcal{O}_{Y, y}^{sh}) \times_Y X, \mathcal{F})
 $$
-Choose a local equation $f \in \mathfrak m_y = \mathcal{O}_{Y, y}$
+Choose a local equation $f \in \mathfrak m_y \subset \mathcal{O}_{Y, y}$
 for $D$. Then we have
 $$
 \Spec(\mathcal{O}_{Y, y}^{sh}) \times_Y X =