When EIP-14 was voted in it was for a 60 day trial only. That 60 days is now over and we need to vote to say if we should carry on buying ETH beyond the 60 days trial or not.
For full details see EIP-14.
When voting FOR you are voting for 25% of total AMO profits to be spent on ETH for an unlimited time frame, until there is a governance vote to stop it.
Voting
For: support the purchasing of ETH with one quarter of the total AMO profits and depositing to FXS-ETH LP pair through an AMO . Approving this proposal would make AMO profits distribution as follows: 25% burn FXS, 25% purchase ETH, 50% distributed to veFXS. This mechanism will be programmatically switched off whenever FXS trades at or below $1.50 and instead will use the portion to continue FXS burns until price returns above $1.50.
Against: revert back to 50% burn , 50% distributed to veFXS