Copied signal but don't same lot size

 

I opened a signal it trade lot size is 5 but I only have 0.3 lot size in my account.

How can I change the setting of lot size in my account? 

 
https://www.mql5.com/en/articles/618  Check this
General information on Trading Signals for MetaTrader 4 and MetaTrader 5
General information on Trading Signals for MetaTrader 4 and MetaTrader 5
  • 2013.01.10
  • MetaQuotes Software Corp.
  • www.mql5.com
MetaTrader 4 / MetaTrader 5 Trading Signals is a service allowing traders to copy trading operations of a Signals Provider. Our goal was to develop the new massively used service protecting Subscribers and relieving them of unnecessary costs.
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