Update graphql-api.mdx

Author: idalithb

website/pages/en/querying/graphql-api.mdx

@@ -12,7 +12,7 @@ To understand the larger role that GraphQL plays, review [developing](/network/d
 
 ## Queries with GraphQL
 
-In your subgraph schema you define types called `Entities`. For each `Entity` type, an `entity` and `entities` fields will be generated on the top-level `Query` type.
+In your subgraph schema you define types called `Entities`. For each `Entity` type, `entity` and `entities` fields will be generated on the top-level `Query` type.
 
 > Note: `query` does not need to be included at the top of the `graphql` query when using The Graph.
 
@@ -389,7 +389,7 @@ Graph Node implements [specification-based](https://spec.graphql.org/October2021
 
 ## Schema
 
-The schema of your `data source`, i.e. the entity types, values, and relationships that are available to query, are defined through the [GraphQL Interface Definition Langauge (IDL)](https://facebook.github.io/graphql/draft/#sec-Type-System).
+The schema of your dataSources, i.e. the entity types, values, and relationships that are available to query, are defined through the [GraphQL Interface Definition Langauge (IDL)](https://facebook.github.io/graphql/draft/#sec-Type-System).
 
 GraphQL schemas generally define root types for `queries`, `subscriptions` and `mutations`. The Graph only supports `queries`. The root `Query` type for your subgraph is automatically generated from the GraphQL schema that's included in your [subgraph manifest](/developing/creating-a-subgraph/#components-of-a-subgraph).