diff --git a/README.md b/README.md
index ee91b28..c7f0fe0 100644
--- a/README.md
+++ b/README.md
@@ -95,6 +95,7 @@ pod 'CardIO'
 1.  Add [card.io's open source license acknowledgments](acknowledgments.md) to
 [your app's acknowledgments](http://stackoverflow.com/questions/3966116/where-to-put-open-source-credit-information-for-an-iphone-app).
 2.  Refer to the header files for more usage options and information.
+3.  You should add the key [`NSCameraUsageDescription`](https://developer.apple.com/library/prerelease/content/documentation/General/Reference/InfoPlistKeyReference/Articles/CocoaKeys.html#//apple_ref/doc/uid/TP40009251-SW24) to your app's `Info.plist` and set the value to be a string describing why your app needs to use the camera (e.g. "To scan credit cards."). This string will be displayed when the app initially requests permission to access the camera.
 
 ### Sample code
 
diff --git a/SampleApp-Swift/SampleApp-Swift/Info.plist b/SampleApp-Swift/SampleApp-Swift/Info.plist
index cdc9d2f..5b3aff0 100644
--- a/SampleApp-Swift/SampleApp-Swift/Info.plist
+++ b/SampleApp-Swift/SampleApp-Swift/Info.plist
@@ -43,5 +43,7 @@
 		<string>UIInterfaceOrientationLandscapeLeft</string>
 		<string>UIInterfaceOrientationLandscapeRight</string>
 	</array>
+  <key>NSCameraUsageDescription</key>
+  <string>To scan credit cards.</string>
 </dict>
 </plist>
diff --git a/SampleApp/ScanExample/ScanExample-Info.plist b/SampleApp/ScanExample/ScanExample-Info.plist
index 95042bd..80ad881 100644
--- a/SampleApp/ScanExample/ScanExample-Info.plist
+++ b/SampleApp/ScanExample/ScanExample-Info.plist
@@ -43,5 +43,7 @@
 		<string>UIInterfaceOrientationLandscapeLeft</string>
 		<string>UIInterfaceOrientationLandscapeRight</string>
 	</array>
+  <key>NSCameraUsageDescription</key>
+  <string>To scan credit cards.</string>
 </dict>
 </plist>