diff --git a/DEVELOPER.md b/DEVELOPER.md
index d7b164051a..3797547113 100644
--- a/DEVELOPER.md
+++ b/DEVELOPER.md
@@ -194,7 +194,7 @@ Checks if the plugin and property exist before getting/setting the property's va
 
 Example:
 ```ts
-@CordovaProperty
+@CordovaProperty()
 someProperty: string;
 ```
 
diff --git a/src/@ionic-native/plugins/extended-device-information/index.ts b/src/@ionic-native/plugins/extended-device-information/index.ts
index 280b4b62df..a0daf0fb3f 100644
--- a/src/@ionic-native/plugins/extended-device-information/index.ts
+++ b/src/@ionic-native/plugins/extended-device-information/index.ts
@@ -53,6 +53,6 @@ export class ExtendedDeviceInformation extends IonicNativePlugin {
   /**
    * Get the total storage
    */
-  @CordovaProperty
+  @CordovaProperty()
   freestorage: number;
 }