Update task.md

language checked

Author: stephen-hero

RefactoringAndItsPurpose/WhatIsCodeRefactoring/Theory/task.md

@@ -1,10 +1,10 @@
 # Task 1/2: What is code refactoring?
 
-**_Refactoring_** is a process of modifying source code without changing its behavior. For example, renaming a method or
-extracting a _magic constant_ into a separate variable. It improves code readability but doesn’t change what code does.
+**_Refactoring_** is a process of modifying source code without changing its behavior. For example, this could involve renaming a method or
+extracting a _magic constant_ into a separate variable. It improves code readability but doesn’t change what the code does.
 
-The purpose of refactoring is to **improve code readability and simplify its maintenance**. Usually, software developers
-work in teams on code bases and spend considerable time reading each other’s code, so it is important to make your code
+The purpose of refactoring is to **improve code readability and simplify its maintenance**. Since software developers often
+work in teams on codebases and spend considerable time reading each other’s code, it is important to make your code
 clear and clean.
 
 Let's take a look at two code snippets below.
@@ -26,8 +26,8 @@ public class Main {
 }
 ```
 
-In this snippet of code, method name `calculate` isn't descriptive, making it unclear what it calculates.
-Variable `n` and method parameter `r` don't provide any information about their purpose.
+In this snippet of code, the method name `calculate` isn't descriptive, making it unclear what it calculates.
+The variable `n` and the method parameter `r` don't provide any information about their purpose.
 The constant `3.14159` is hard-coded within the method, leading to lack of clarity.
 
 **After refactoring:**
@@ -49,11 +49,11 @@ public class Main {
 }
 ```
 
-To improve readability of the original snippet of code, the following refactorings were applied:
+To improve the readability of the original snippet of code, the following refactorings were applied:
 
-- Method `calculate` was **renamed** to `calculateCircleArea` to better express its purpose: calculating the area of a
+- The method `calculate` was **renamed** to `calculateCircleArea` to better express its purpose: calculating the area of a
   circle.
-- Variable `n` was **renamed** to `circleRadius` for better code clarity.
-- Parameter `r` was **renamed** to `radius` for better code clarity.
-- `PI_VALUE` constant was **extracted** to hold the value of `Pi` value, making the calculation formula more
+- The variable `n` was **renamed** to `circleRadius` for better code clarity.
+- The parameter `r` was **renamed** to `radius` to improve code clarity.
+- A `PI_VALUE` constant was **extracted** to hold the value of `Pi`, making the calculation formula more
   understandable and reusable.