fix: parenthesis mismatch

Mismatched parenthesis in Java code example

Author: jenshb

quickstart/server.mdx

@@ -851,7 +851,7 @@ public class WeatherService {
 	
   @Tool(description = "Get weather alerts for a US state")
   public String getAlerts(
-      @ToolParam(description = "Two-letter US state code (e.g. CA, NY") String state)
+      @ToolParam(description = "Two-letter US state code (e.g. CA, NY)" String state
   ) {
       // Returns active alerts including:
       // - Event type