docs(angular): change wording

Author: thetaPC

docs/angular/your-first-app/2-taking-photos.md

@@ -118,9 +118,7 @@ After taking a photo, it disappears right away. We need to display it within our
 
 ## Displaying Photos
 
-Return to `photo.service.ts`.
-
-Outside of the `PhotoService` class definition (the very bottom of the file), create a new interface, `UserPhoto`, to hold our photo metadata:
+To define the data structure for our photo metadata, create a new interface named `UserPhoto`. Add this interface at the very bottom of the `photo.service.ts` file, immediately after the `PhotoService` class definition:
 
 ```ts
 export class PhotoService {

versioned_docs/version-v7/angular/your-first-app/2-taking-photos.md

@@ -118,9 +118,7 @@ After taking a photo, it disappears right away. We need to display it within our
 
 ## Displaying Photos
 
-Return to `photo.service.ts`.
-
-Outside of the `PhotoService` class definition (the very bottom of the file), create a new interface, `UserPhoto`, to hold our photo metadata:
+To define the data structure for our photo metadata, create a new interface named `UserPhoto`. Add this interface at the very bottom of the `photo.service.ts` file, immediately after the `PhotoService` class definition:
 
 ```ts
 export class PhotoService {