1999 Nissan Patrol/Safari fuel tank

Hi I was transferring some unleaded fuel from one car to another using the plastic pump and when it came time to pull the pump out it got stuck and my partner tried to pull the bit off plastic out that had got stuck but a small amount fell in to the tank and we are both sooooo scared that something bad will happen we dont know what to do and we are just woundering if someone could please lat us know what to do and if this is major thanks just so scared.