diff --git a/src/components/nav/nav-params.ts b/src/components/nav/nav-params.ts
index 3c76b0561d..46585a2c8d 100644
--- a/src/components/nav/nav-params.ts
+++ b/src/components/nav/nav-params.ts
@@ -8,8 +8,7 @@
  * @usage
  * ```ts
  * export class MyClass{
- *  constructor(params: NavParams){
- *    this.params = params;
+ *  constructor(private params: NavParams){
  *    // userParams is an object we have in our nav-parameters
  *    this.params.get('userParams');
  *  }
@@ -34,8 +33,7 @@ export class NavParams {
    *
    * ```ts
    * export class MyClass{
-   *  constructor(params: NavParams){
-   *    this.params = params;
+   *  constructor(private params: NavParams){
    *    // userParams is an object we have in our nav-parameters
    *    this.params.get('userParams');
    *  }
@@ -48,4 +46,4 @@ export class NavParams {
   get(param: string): any {
     return this.data[param];
   }
-}
\ No newline at end of file
+}