diff --git a/10_Day_Sets_and_Maps/10_day_Sets_and_Maps.md b/10_Day_Sets_and_Maps/10_day_Sets_and_Maps.md
index 25dafe9..8223a29 100644
--- a/10_Day_Sets_and_Maps/10_day_Sets_and_Maps.md
+++ b/10_Day_Sets_and_Maps/10_day_Sets_and_Maps.md
@@ -44,7 +44,7 @@
 
 ## Set
 
-Set is  a collection of elements. Set can only contains unique elements.
+Set is a collection of elements. Set can only contains unique elements.
 Let us see how to create a set in the section below.
 
 ### Creating an empty set
@@ -284,6 +284,8 @@ Set(2) {1, 2}
 
 ## Map
 
+Map objects are collections of key-value pairs.
+
 ### Creating an empty Map
 
 ```js