S. RES. 151 is a resolution stating the Senate's opinion that the United States should officially recognize the 1994 genocide in Rwanda specifically as "the genocide against the Tutsi in Rwanda." The resolution calls for the Secretary of State to affirm this terminology...
Simple Explanation
The Senate thinks the U.S. should officially say that a big, very sad event that happened in Rwanda in 1994 should be called "the genocide against the Tutsi." They also want everyone to remember that other people were hurt too and say the right names to make sure no one forgets what happened.