Fix markdown crimes

I may be silly

content/en/docs/install/migrate.md

@@ -326,7 +326,7 @@ Replace "iceshrimp_web" with the name of your container if you've changed it.
 Now, navigate to the Iceshrimp directory, and inside of it, nagivate to `packages/backend`.
 The command to run in order to revert the latest applies migration is
 
-```
+```bash
 yarn run typeorm migration:revert -d built/ormconfig.js
 ```