Fix a map

Thanks to Reimundo Heluani https://stacks.math.columbia.edu/tag/03NP#comment-7779
stacks · Jan 18, 2023 · ce796cf · ce796cf
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commit ce796cf
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diff --git a/etale-cohomology.tex b/etale-cohomology.tex
@@ -697,7 +697,7 @@ \section{The example of G-sets}
 have
 \begin{eqnarray*}
 {}_G G \times_{G/H} {}_G G & \cong & G \times H \\
-(g_1, g_2) & \longmapsto & (g_1, g_1 g_2^{-1})
+(g_1, g_2) & \longmapsto & (g_1, g_1^{-1} g_2)
 \end{eqnarray*}
 is a disjoint union of copies of ${}_G G$ (as a $G$-set). Hence the sheaf axiom
 reads