VWITX muni bond fund vs cash

[StressLess]

hi guys,

for cash that you might need in 2 - 3 years, what do you think about this fund:

https://personal.vanguard.com/us/funds/snapshot?FundId=0042&FundIntExt=INT#tab=1

seems like a good option rather than low yield savings account. 

any recommendations?