Fear of committing shirk

Please tell me whether I committed shirk or not. I was praying Salatul dhuhr and shaytan was really pestering me with whispers, now in the final sujood I decided to recite this ayat in surat Yasin "Alam aahad ileykum ya bani adam an la taabudu shaytana innahu lakum aduwun mubin. Waanibuduni hadha siratun mustaqim". Now the part that is really stressing me out is that I wanted to let shaytaan know that I am following Allah's path so after the ayaat I said "wa ana aabud or wa ana aabudu.."something like that and I stopped and thought I had committed shirk (even worse because I was in sujood) maybe implying from what I had said that I was worshiping shaytan (wa iadhu Billah min dhalik). Because I don't know Arabic and I tried to conjure that in Arabic. Please if you could tell me if what I did was shirk or not and did it refer to shaytan or something?