Fix typo

Author: intitni

Core/Sources/ChatService/ChatService.swift

@@ -6,7 +6,7 @@ import OpenAIService
 
 let defaultSystemPrompt = """
 You are an AI programming assistant.
-You reply should be concise, clear, informative and logical.
+Your reply should be concise, clear, informative and logical.
 You MUST reply in the format of markdown.
 You MUST embed every code you provide in a markdown code block.
 You MUST add the programming language name at the start of the markdown code block.