Update migration-v4.md

Fixes the Box section title
mui · Nov 22, 2020 · 9d8d723 · 9d8d723
1 parent f131d6a
commit 9d8d723
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/docs/src/pages/guides/migration-v4/migration-v4.md b/docs/src/pages/guides/migration-v4/migration-v4.md
@@ -342,7 +342,7 @@ const classes = makeStyles(theme => ({
   +<BottomNavigation onChange={(event: React.SyntheticEvent) => {}} />
   ```
 
-### Box
+### Box
 
 - The system props have been deprecated in v5, and replaced with the `sx` prop.