Silsilah as-Sahihah 605 — Speaking or moving before supererogatory

Narrated from Sayyiduna Asma’ bin Malik Khatmi رضي الله عنه that the Noble Prophet صلى الله عليه وسلم said: "When any one of you offers the Friday prayer, then he should not perform any (other) prayer after it until he speaks to someone or moves forward or backward."