Question:

Is it possible to customize the text for the name of the portal tab where users submit tickets? We'd like to rename it from "Contact Us" to "Submit Tickets".

Answer:

1. Go to Admin > Setup > Languages, select your language and then click Edit Phrases. 

2. Go to User Interface Phrases > Portal General and edit portal.general.nav-newticket 

3. Click Save at the bottom of the screen. You will now see your custom tab name on the portal: