What is the main topic of Riyad us Saliheen Hadith 1125?

Riyad us Saliheen: Hadith 1125

9. The Book of Virtues

1125

Riyad us Saliheen

عن أبي هريرة رضي الله عنه قال‏:‏ قال رسول الله صلى الله عليه وسلم‏:‏ ‏‏إذا صلى أحدكم الجمعة، فليصلِ بعدها أربعًا‏"‏‏‏ ‏(‏‏(‏رواه مسلم‏)‏‏)‏‏‏

Abu Hurairah (May Allah be pleased with him)reported:

The Messenger of Allah (ﷺ) said, "If anyone of you performs the Friday prayer, he should perform four Rak'ah (Sunnah) after it."

[Muslim].

Reference: Sunnah.com : Book 9, Hadith 136
Arabic/English book : Book 9, Hadith 1126