Reference for Zechariah 11:11

וַתֻּפַ֖ר בַּיּ֣וֹם הַה֑וּא וַיֵּדְע֨וּ כֵ֜ן עֲנִיֵּ֤י הַצֹּאן֙ הַשֹּׁמְרִ֣ים אֹתִ֔י כִּ֥י דְבַר־יְהוָ֖ה הֽוּא׃

And it was broken in that day; and the poor of the flock that gave heed unto me knew of a truth that it was the word of the LORD.