This is a tutorial on how to hack/change any webpage.
Note: This will not actually change the webpage it only will change your view.
Step 1: Open Page
Find the webpage you want to change.
Step 2: Inspect Element
Now right click the text you want to change. Then press inspect element or inspect.
Step 3: Change/Hack
Now in the highlighted text edit where the original text is to what ever you want.
Step 4: Enjoy
You can close out the inspect element window and then show your friends your "skills".
This is not actual hacking so don't worry about getting in trouble.