[docs] Fix anchor link in customization

This header was changed in #31997, but it doesn't seem to need to be a h3, h2 seems enough, and retain the anchor link Signed-off-by: Olivier Tassinari <olivier.tassinari@gmail.com>
mui · Apr 24, 2023 · 5c2f9d5 · 5c2f9d5
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Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/docs/data/material/customization/how-to-customize/how-to-customize.md b/docs/data/material/customization/how-to-customize/how-to-customize.md
@@ -25,7 +25,7 @@ It can be used with all Material UI components.
 
 {{"demo": "SxProp.js" }}
 
-#### Overriding nested component styles
+### Overriding nested component styles
 
 To customize a specific part of a component, you can use the class name provided by Material UI inside the `sx` prop. As an example, let's say you want to change the `Slider` component's thumb from a circle to a square.