Update HelloController.java

src/main/java/com/nisum/cicd/training/springbootrefapp/controllers/HelloController.java

@@ -8,6 +8,6 @@ public class HelloController {
 
 	@RequestMapping("/hello")
 	public String index() {
-		return "Pai Spring Boot with french fries 🍟";
+		return "Pair Spring Boot with french fries 🍟";
 	}
 }
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