How to launch safari and open URL in iOS

Heres is steps: 

1. I created an IBAction in the header .h files as follows:

   
   - (IBAction)Link_btnCliecked:(id)sender
   

   I added a UIButton on the Settings page containing the text that I want to link to.

2. I connected the button to IBaction in File Owner appropriately.
3. Then implement the following:
   - (IBAction)Link_btnCliecked:(id)sender
   {
       [[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"http://yogapoint.com"]];
   }