updated UNK ITS room number to Otto Olsen 115

content/quickstarts/setting_up_and_using_duo.md

@@ -27,7 +27,7 @@ smartphone or purchase a YubiKey USB device.
 2.  Visit one of the following locations.  **Bring your smartphone and a valid photo ID** such as your university ID card or drivers license.
     1.  Visit either HCC location [118 Schorr Center, UNL](http://www1.unl.edu/tour/SHOR) | 
         [152 Peter Kiewit Institute, UNO](http://pki.nebraska.edu/new/pages/about-pki/maps-directions-and-parking) in-person anytime from 9am-5pm to enroll.
-    2.  Visit Information Technology Services [107 Otto Olsen, UNK](http://www.unk.edu/campus-map/?q=m15)
+    2.  Visit Information Technology Services [115 Otto Olsen, UNK](http://www.unk.edu/campus-map/?q=m15)
         in-person and ask for HCC identity verification.
 
 Faculty/staff members with a verified NU telephone number can enroll by