* fix privacy policy and readme bitcoin donation link

PrivacyPolicy.md

@@ -11,7 +11,7 @@ Any future changes on this policy will be stated here and inside the app.
 Open Note Scanner only collects anonymous usage data, which is enabled by default, when download via your device play store **Google Play**, it can be disabled/enabled on the settings page of the app.
 
 ### Google Play version specific
-Version on Google Play since version 1.0.36 does use the AdMob platform to show ads and also Google Play in-app purchase to get donations. Those library have specific privacy policies that can be read on the following links:
+Version on Google Play since version 1.0.36 does use the AdMob platform to show ads and also Google Play in-app purchase to get donations. Those libraries have specific privacy policies that can be read on the following links:
 
 [AdMob](https://www.google.com/policies/privacy/)
 [Google Play Services](https://support.google.com/admob/answer/6128543?hl=en)

README.md

@@ -97,7 +97,7 @@ If you think that any information you obtained here is worth of some money and a
 
 | Paypal | Bitcoin |
 | ------ | ------- |
-| [![](https://www.paypalobjects.com/en_US/i/btn/btn_donateCC_LG.gif)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=X6XHVCPMRQEL4) |  <center> ![1H5tqKZoWdqkR54PGe9w67EzBnLXHBFmt9](http://api.qrserver.com/v1/create-qr-code/?color=000000&bgcolor=FFFFFF&data=bitcoin%3A1H5tqKZoWdqkR54PGe9w67EzBnLXHBFmt9&qzone=1&margin=0&size=400x400&ecc=L)<br />1H5tqKZoWdqkR54PGe9w67EzBnLXHBFmt9</center> |
+| [![](https://www.paypalobjects.com/en_US/i/btn/btn_donateCC_LG.gif)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=X6XHVCPMRQEL4) |  <center> [![](http://api.qrserver.com/v1/create-qr-code/?color=000000&bgcolor=FFFFFF&data=bitcoin%3A1H5tqKZoWdqkR54PGe9w67EzBnLXHBFmt9&qzone=1&margin=0&size=200x200&ecc=L)](bitcoin:1H5tqKZoWdqkR54PGe9w67EzBnLXHBFmt9)<br />[1H5tqKZoWdqkR54PGe9w67EzBnLXHBFmt9](bitcoin:1H5tqKZoWdqkR54PGe9w67EzBnLXHBFmt9)</center> |
 
 
 Contributing