fix: learn/schema typo (#1824)

src/pages/learn/schema.mdx

@@ -261,7 +261,7 @@ You can arbitrarily nest any number of Non-Null and List modifiers, according to
 
 Like many type systems, GraphQL supports _abstract types_. The first of these types that we'll explore is an [Interface type](https://spec.graphql.org/draft/#sec-Interfaces), which defines a certain set of fields that a concrete Object type or other Interface type must also include to implement it.
 
-For example, you could have an `Character` Interface type that represents any character in the Star Wars trilogy:
+For example, you could have a `Character` Interface type that represents any character in the Star Wars trilogy:
 
 ```graphql
 interface Character {
@@ -563,4 +563,4 @@ To recap what we've learned about schemas and types:
 - Type system directives can be applied to the types, fields, and arguments in a schema to alter how they are validated and executed during a query
 - GraphQL supports schema documentation using type, field, and argument descriptions, and it also supports comments that are ignored by the parser
 
-Now that you understand the key features of the type system, you're ready to learn more about how to [query data from a GraphQL API](/learn/queries/).
+Now that you understand the key features of the type system, you're ready to learn more about how to [query data from a GraphQL API](/learn/queries/).