Hello ! I would like to start my investment journey  with be...

Hello ! I would like to start my investment journey with below ETF’s: can you please suggest if I need to make any changes on below ETF’s or the allocation.
$VANGUARD INVESTMENTS CANADA INC S&P 500 INDEX ETF(VFV.CA)$ - 50%
$ISHARES S&P/TSX 60 INDEX ETF UNIT(XIU.CA)$ - 25%
$VANGUARD INVESTMENTS CANADA INC FTSE DEV ALL CAP EX NRTH AM IDX(VIU.CA)$ - 10%
$INVESCO NASDAQ 100 INDEX ETF CAD UNIT(QQC.CA)$ - 15%