Switching my funds in my ROTH IRA

[blackjack]

My Roth IRA just hit 10k in the Target fund 2045 ; I'm thinking of switching it to the     
Vanguard Total Stock Market Index Fund Admiral Shares; do you think that its true risky ?

Im aggressive but maybe thats to aggressive; i just don't know enough

[MDM]

My Roth IRA just hit 10k in the Target fund 2045 ; I'm thinking of switching it to the     
Vanguard Total Stock Market Index Fund Admiral Shares; do you think that its true risky ?

Im aggressive but maybe thats to aggressive; i just don't know enough

Consider what is in the 2045 fund.  Fill in the blanks below, then consider how 100% VTSAX would be more aggressive, and how it would be less aggressive.  The choice is yours....

1    ____________    54.4%
2    ____________    35.6%
3    ____________    7.0%
4    ____________    3.0%