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..641377c 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
@@ -140,7 +140,7 @@ Set(5) {"Google", "Facebook", "Amazon", "Oracle", "Microsoft"}
 
 ```
 
-### Deleting an element a set
+### Deleting an element from a set
 
 We can delete an element from a set using a delete method.
 
diff --git a/11_Day_Destructuring_and_spreading/11_day_destructuring_and_spreading.md b/11_Day_Destructuring_and_spreading/11_day_destructuring_and_spreading.md
index d4ffc34..8006523 100644
--- a/11_Day_Destructuring_and_spreading/11_day_destructuring_and_spreading.md
+++ b/11_Day_Destructuring_and_spreading/11_day_destructuring_and_spreading.md
@@ -93,7 +93,7 @@ console.log(backEnd)
 ["Node", "Express", "MongoDB"]
 ```
 
-If we like to skip on of the values in the array we use additional comma. The comma helps to omit the value at that specific index
+If we like to skip one of the values in the array we use additional comma. The comma helps to omit the value at that specific index
 
 ```js
   const numbers = [1, 2, 3]
diff --git a/12_Day_Regular_expressions/12_day_regular_expressions.md b/12_Day_Regular_expressions/12_day_regular_expressions.md
index ef83882..5b2511f 100644
--- a/12_Day_Regular_expressions/12_day_regular_expressions.md
+++ b/12_Day_Regular_expressions/12_day_regular_expressions.md
@@ -176,7 +176,7 @@ console.log(matchReplaced)
 ```
 
 ```sh
-JavaScript is the most beautiful language that a human begin has ever created.I recommend python for a first programming language
+JavaScript is the most beautiful language that a human being has ever created.I recommend python for a first programming language
 ```
 
 ```js