diff --git a/src/@ionic-native/plugins/document-viewer/index.ts b/src/@ionic-native/plugins/document-viewer/index.ts
index dddb963f0..aec4abb64 100644
--- a/src/@ionic-native/plugins/document-viewer/index.ts
+++ b/src/@ionic-native/plugins/document-viewer/index.ts
@@ -42,10 +42,11 @@ export interface DocumentViewerOptions {
  * constructor(private document: DocumentViewer) { }
  *
  * ...
- * const options = {
+ * const options: DocumentViewerOptions = {
  *   title: 'My PDF'
  * }
- * this.document.view('assets/myFile.pdf', 'application/pdf', options)
+ *
+ * this.document.viewDocument('assets/myFile.pdf', 'application/pdf', options)
  *
  * ```
  *
@@ -82,7 +83,7 @@ export class DocumentViewer extends IonicNativePlugin {
    * @param [onError] {Function}
    */
   @Cordova({ sync: true })
-  canViewDocument(url: string, contentType: string, options: Array<DocumentViewerOptions>, onPossible?: Function, onMissingApp?: Function, onImpossible?: Function, onError?: Function): void { }
+  canViewDocument(url: string, contentType: string, options: DocumentViewerOptions, onPossible?: Function, onMissingApp?: Function, onImpossible?: Function, onError?: Function): void { }
 
   /**
    * Opens the file