Update doc according gatsby's core process reference

docs/docs/schema-generation.md

@@ -60,8 +60,8 @@ This step creates GraphQL input filters for each field so the objects can be que
 
 #### 4. ProcessedTypeNode creation with resolve implementation
 
-Finally, you have everything you need to construct your final Gatsby Type object (known as `ProcessedTypeNode`). This contains the input filters and gqlType created above, and implements a resolve function for it using sift. More detail in the [Querying with Sift](/docs/schema-sift) section.
+Finally, we have everything you need to construct your final Gatsby Type object (known as `ProcessedTypeNode`). This contains the input filters and gqlType created above, and implements a resolve function for it using sift. More detail in the [Querying with Sift](/docs/schema-sift) section.
 
 #### 5. Create Connections for each type
 
-You've inferred all GraphQL Types, and the ability to query for a single node. But now you need to be able to query for collections of that type (e.g. `allMarkdownRemark`). [Schema Connections](/docs/schema-connections/) takes care of that.
+We've inferred all GraphQL Types, and the ability to query for a single node. But now we need to be able to query for collections of that type (e.g. `allMarkdownRemark`). [Schema Connections](/docs/schema-connections/) takes care of that.