Update task.md (#199)

language checked

Hangman/isCompleteFunction/task.md

@@ -3,7 +3,7 @@ It's time to practice! Let's start with a simple function.
 ### Task
 
 Implement the `isComplete` function, which accepts two string arguments - `secret` and `currentGuess`, 
-and checks if the game is complete. The game is complete only if `secret` and `currentGuess` equal.
+and checks if the game is complete. The game is complete only if `secret` and `currentGuess` are equal.
 
 <div class="hint" title="Click me to see the new signature of the isComplete function">
 
@@ -13,13 +13,13 @@ fun isComplete(secret: String, currentGuess: String): Boolean
 ```
 </div>
 
-**Note**, that `currentGuess` contains spaces between letters. 
-So, it's not enough just to compare  `secret` and `currentGuess`.
-You need to remove all spaces from `currentGuess` first.
+**Note** that `currentGuess` contains spaces between letters. 
+Therefore, it's not enough to merely compare  `secret` and `currentGuess`.
+You'll need to remove all spaces from `currentGuess` first.
 
-You can also use the already defined variable `separator` that stores a space:
+You can also use the already defined variable `separator`, which stores a space:
 ```kotlin
-println("It is the value from the separator variable: $separator.") // It is the value from the separator variable:  .
+println("This is the value from the separator variable: $separator.") // This is the value from the separator variable:  .
 ```
 
 If you have any difficulties, **hints will help you solve this task**.
@@ -28,7 +28,7 @@ If you have any difficulties, **hints will help you solve this task**.
 
 ### Hints
 
-<div class="Hint" title="Click me to see examples how the isComplete function works">
+<div class="Hint" title="Click me to see examples of how the isComplete function works">
 
 Here are several examples of the _isComplete_ function's work:
 
@@ -37,11 +37,11 @@ Here are several examples of the _isComplete_ function's work:
 - secret = "ABC", currentGuess = "A A A", result = false;
 </div>
 
-<div class="Hint" title="Click me to learn how to replace separator in the current user's guess">
+<div class="Hint" title="Click me to learn how to remove the separator in the current user's guess">
 
-The easiest way to replace `separator` in `currentGuess` is to use the built-in function [`replace`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.text/replace.html):
+The easiest way to remove `separator` in `currentGuess` is to use the built-in function [`replace`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.text/replace.html):
 ```kotlin
 println("aabbccdd".replace("a", "e")) // eebbccdd
 ```
-In this task you can just replace `separator` with an empty string `"""`.
+In this task, you can just replace `separator` with an empty string `"""`.
 </div>