Update LAB_AK_03_develop_code_features.md

fix typo

Author: ashirafumiiro

Instructions/Labs/LAB_AK_03_develop_code_features.md

@@ -903,7 +903,7 @@ Use the following steps to complete this section of the exercise:
 
 ## Summary
 
-In this exercise, you learned how to use GitHub Copilot to develop a new code feature for a C# application. You developed the feature in a new branch using GitHub Copilot's inline chat and Chat view, tested you code, and then merged your changes into the main branch of the repository. You also used GitHub Copilot to generate a commit message and a pull request summary.
+In this exercise, you learned how to use GitHub Copilot to develop a new code feature for a C# application. You developed the feature in a new branch using GitHub Copilot's inline chat and Chat view, tested your code, and then merged your changes into the main branch of the repository. You also used GitHub Copilot to generate a commit message and a pull request summary.
 
 ## Clean up