Update model-typing.mdx (#781)

Author: zkreutzjanz

docs/models/model-typing.mdx

@@ -7,7 +7,7 @@ sidebar_position: 8
 
 ## Automated Attribute Typing
 
-Model methods are strictly typed based on your attributes, but require you to define you to write a bit of configuration first.
+Model methods are strictly typed based on your attributes, but require you to write a bit of configuration first.
 `Model` accept two generic types that you can use to let it know what its Attributes & Creation Attributes are like:
 
 You can use [`InferAttributes`](pathname:///api/v7/types/_sequelize_core.index.inferattributes),