hi am new to guitar only been playing about a year i can play a couple of tunes but one thing i am doing wrong is when i am using the pleck the bottom string rings out even when i playing a em cord i am not touching with anything apart from the pleck and it makes the songs sound not right if i miss the bottom string out sounds better but that is not playing the cords right if am missing the bottom one out
please can some one help me i been stuck on this a while now its on every cord it rings out on that i play

cheers
in advance
jet