@@ -178,7 +178,7 @@ Data migrations on the other hand are functions on the data itself. They transfo
178178acceptable by one schema to values acceptable by another.
179179Let's look at the situation when we have to add a field to a JSON Object of a current schema:
180180
181−```
181+```haskell
182182type SchemaExample = 'SchemaObject
183183 '[ '("foo", 'SchemaArray '[ 'AEq 1] ('SchemaNumber '[ 'NGt 10]))
184184 , '("bar", 'SchemaOptional ('SchemaText '[ 'TEnum '["foo", "bar"]]))]