diff --git a/slides/sections/3.md b/slides/sections/3.md
index 6ec4e26..dec583d 100644
--- a/slides/sections/3.md
+++ b/slides/sections/3.md
@@ -119,7 +119,7 @@ $$
 
 We need to compute the maximum value:
 $$
-  M(\mu_M\ex) = \frac{1}{\sqrt{2 \pi e}} \thus M(x_{\pm}) = \frac{1}{\sqrt{8 \pi e}}
+  M(\mu_M\ex) = \frac{1}{\sqrt{2 \pi e}} \thus M(x_{\pm}) = \frac{1}{2 \, \sqrt{2 \pi e}}
 $$
 
 . . .