Do you mean the one that appears here:
Max Helfman was Brandeis-Bardin and Camp Alonim’s first music director. Helfman, already an accomplished musician, ...
The Rema says there
מיהו אם לא עשו כן אפי' בירך מהלך בדיעבד יצא
However if he did not do so (i.e. sit) even if he walks around, he has
'bdiavad' done his duty.
I asked my Rav. He said that the word '...