Listed below are the steps to change owner information displayed on lock screen in Android Lollipop. You can see the owner information when your device is in locked status
Step 1: Tap the menu option on the main screen.
Step 2: Tap the settings icon to launch the settings screen.
Step 3: In the Settings screen, tap Security option under Personal section.
Step 4: Under the security option, tap Owner info.
Step 5: Now enter your custom message in the text box. This message would be shown in your lock screen when “Show owner info lock screen” is checked.