docs(): fix bug in storage downloading files example (#1502)

MarkAdell · davideast · commit 74208a9b7eca · 2018-03-17T21:58:23.000-06:00
diff --git a/docs/storage/storage.md b/docs/storage/storage.md
@@ -124,7 +124,7 @@ export class AppComponent {
   profileUrl: Observable<string | null>;
   constructor(private storage: AngularFireStorage) {
      const ref = this.storage.ref('users/davideast.jpg');
-     this.profileUrl = ref.getDownloadUrl();
+     this.profileUrl = ref.getDownloadURL();
   }
 }
 ```

Original file line number	Diff line number	Diff line change
`@@ -124,7 +124,7 @@ export class AppComponent {`
`124`	`124`	`profileUrl: Observable<string \| null>;`
`125`	`125`	`constructor(private storage: AngularFireStorage) {`
`126`	`126`	`const ref = this.storage.ref('users/davideast.jpg');`
`127`		`- this.profileUrl = ref.getDownloadUrl();`
	`127`	`+ this.profileUrl = ref.getDownloadURL();`
`128`	`128`	`}`
`129`	`129`	`}`
`130`	`130`	```