Fixed: some typos in docs/guide/data-resolvers (#5071)

Author: ymaheshwari1

docs/guide/data-resolvers/introduction.md

@@ -3,10 +3,10 @@
 ## What are the data resolvers?
 
 The `data resolvers` are the way of manage the network/api calls and split them from the rest of application. All of available `data resolvers` you can find in the `core/data-resolver` directory.
-If you want to trigger a network calls, you should create a new `data resolver`, and import it in the place where it's needed.
+If you want to trigger a network call, you should create a new `data resolver`, and import it in the place where it's needed.
 
 ## How to create a data resolver
-First of all, please create a types for it under the namespace `DataResolver`, then just create a new data resolver like this example below:
+First of all, please create a type for it under the namespace `DataResolver`, then just create a new data resolver like this example below:
 
 
 ```js

docs/guide/data-resolvers/user-service.md

@@ -16,7 +16,7 @@ Registering the new user by given user data (`customer`) and `password`.
 
 #### `updateProfile: (userProfile: UserProfile) => Promise<Task>`
 
-It updates the the current logged user profile (`userProfile`).
+It updates the current logged user profile (`userProfile`).
 
 #### `getProfile: () => Promise<Task>`