Update task.md

language checked

MastermindAdvanced/errorHandling/task.md

@@ -2,17 +2,17 @@ Well, it looks like the game is ready! But what else is left to do?
 
 ### 1. Why do we need to inform the user about problems?
 
-When writing programs, it is essential to consider _possible_ behaviour
-scenarios and process them. For example, in the current version of the game,
+When writing programs, it is essential to consider _possible_ behavior
+scenarios and adequately handle them. For example, in the current version of the game,
 the user may enter a word that does not match the current game parameters
-(the alphabet, word length, and so on), and if so, it is necessary to process
-the case and inform the user about the problem.
-In this case, the user can fix this problem and continue with the game.
+(the alphabet, word length, and so on). In such a case, it would be necessary to process
+the situation and inform the user about the problem.
+Doing so would allow the user to fix the problem and continue with the game.
 
 
 ### 2. How to simplify the `if` operator
 
-Usually to check several conditions, you need to use the `if` operator with multiple branches.
+Usually, to check several conditions, you need to use the `if` operator with multiple branches.
 However, if the conditional is used inside a function with `return`,
 the `else` word can be omitted:
 ```kotlin