Fixed Incorrect grammar

[RobinHood]

This should read:

Alex sent you a request to join group name

 

[RobinHood]

And on wall comment replies:




This should read:

Write a message...

 

[RobinHood]

And here:



It should be:

Hi! Don't forget us, we miss you. Visit our group to get the latest news:

 

[Truonglv]

All was changed.