From 67f581a0fff538c9647a925ee1c3e89d204388d7 Mon Sep 17 00:00:00 2001
From: neomuk1365 <87751641+neomuk1365@users.noreply.github.com>
Date: Wed, 20 May 2026 22:56:30 +0530
Subject: [PATCH] Rename 'Joining Sets' to 'DisJoining Sets'

Updated section title and clarified definition of disjoint sets.
---
 07_Day_Sets/07_sets.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/07_Day_Sets/07_sets.md b/07_Day_Sets/07_sets.md
index 26ca08e40..6532ad33e 100644
--- a/07_Day_Sets/07_sets.md
+++ b/07_Day_Sets/07_sets.md
@@ -371,9 +371,9 @@ python.symmetric_difference(dragon)  # {'r', 't', 'p', 'y', 'g', 'a', 'd', 'h'}
 # python ^ dragon
 ```
 
-### Joining Sets
+### DisJoining Sets
 
-If two sets do not have a common item or items we call them disjoint sets. We can check if two sets are joint or disjoint using _isdisjoint()_ method.
+If two sets do not have a common item or items we call them disjoint sets. We can check if two sets are joint or disjoint using _isdisjoint()_ method. Disjoint set also known as Null Set
 
 ```py
 # syntax