Update README.md

Author: vonovak

README.md

@@ -20,7 +20,7 @@ npm i --save react-native-document-picker
 
 You need to enable iCloud Documents to access iCloud
 
-<img src="https://camo.githubusercontent.com/ac300ca7e3bbab573a76c151469a89efd8b31e72/68747470733a2f2f33313365353938373731386233343661616638332d66356538323532373066323961383466373838313432333431303338343334322e73736c2e6366312e7261636b63646e2e636f6d2f313431313932303637342d656e61626c652d69636c6f75642d64726976652e706e67"  width="600">
+<img src="https://camo.githubusercontent.com/ac300ca7e3bbab573a76c151469a89efd8b31e72/68747470733a2f2f33313365353938373731386233343661616638332d66356538323532373066323961383466373838313432333431303338343334322e73736c2e6366312e7261636b63646e2e636f6d2f313431313932303637342d656e61626c652d69636c6f75642d64726976652e706e67" width="600">
 
 #### RN >= 0.60
 
@@ -150,7 +150,8 @@ try {
 
 ## Here is how it looks:
 
-![screenshot](http://i.stack.imgur.com/dv0iQ.png)
+<img src="http://i.stack.imgur.com/dv0iQ.png" height="400">
+
 
 ## How to send it back ?
 
@@ -228,7 +229,7 @@ RNFS.uploadFiles({
     });
 ```
 
-## Halp wanted: Improvements
+## Help wanted: Improvements
 
 - Fix Xcode warning about constraints
 - support options for the [UIDocumentPickerViewController](https://developer.apple.com/library/ios/documentation/FileManagement/Conceptual/DocumentPickerProgrammingGuide/AccessingDocuments/AccessingDocuments.html#//apple_ref/doc/uid/TP40014451-CH2-SW5)