I want to upgarde my ram

I want to upgarde my ram , someone suggest me ram which will be compatible with my laptop Hp Pavillion G4 (AMD DDR3) as per crucial scanner , Crucial scanner does not shows any ram upgrade , and i will be thankfull if You could share some link also.

Here are Details:-
Your computer's currently installed memory:
2 GB

Speed:

1333

Manufacturer:

Hynix

Product number:

HMT325S6EFR8A-PB

Your computer's memory capability:

Slots:

2 (2 banks of 1)

Maximum memory:

8GB

Standard memory:

4GB removable