Congressional candidate Jim Graves conceded Monday to incorrectly listing on an online biography that he served on the board of United Way of Central Minnesota, the Star Tribune reported.

Graves, who is taking on Rep. Michele Bachmann in Congressional District 6, did serve on a "board-level committee" and changed his online biography to correct the error, the Star Tribune reported.

The Republican Party of Minnesota first brought up the issue Friday in a scathing statement Friday that criticized Graves on a number of issues.

The sixth district has been solidly Republican since 2002, but the Cook Political Report recently downgraded the race from "Likely Republican" to "Lean Republican," a less secure rating.

According to the Star Tribune, Bachmann's campaign quickly responded, saying Graves got caught "red-handed."