Merge pull request #53209 from PhilKang0704/us-436197

US-436197: Content Update - Localization fix: <learn-pr> - Even though a string is a reference type, unlike an array, its value can't be altered once it's assigned.

Author: PhilKang0704

learn-pr/wwl-language/create-c-sharp-methods-parameters/includes/4-exercise-use-value-reference-type-parameters.md

@@ -93,7 +93,7 @@ In this exercise, you'll learn more about passing reference and value type argum
 
 ### Test with strings
 
-Earlier, you learned that strings are an *immutable* type. Even though a string is a reference type, unlike an array, its value can't be altered once it's assigned. You might have noticed this if you've used methods such as `string.Replace` or `string.ToUpper`. In this task, you'll learn to correct a common error found when working with strings.
+Earlier, you learned that strings are an *immutable* type. Even though a string is a reference type, its value can't be altered once it's assigned, unlike an array. You might have noticed this if you've used methods such as `string.Replace` or `string.ToUpper`. In this task, you'll learn to correct a common error found when working with strings.
 
 1. In the Visual Studio Code Editor, delete any existing code from the previous exercises.