diff --git a/README.md b/README.md
index 761fbe1a2..7dd42e261 100644
--- a/README.md
+++ b/README.md
@@ -37,11 +37,10 @@ The following table list all sample codes related to the spring boot integration
 | [Rabbit Mq Implementation](./boot-rabbitmq-thymeleaf)                                                                   | The application, demonstrates how rabbitmq works with producer side acknowledgement                                                                                                                            | Completed |
 | [Spring Batch Implementation](./batch-boot-jpa-sample)                                                                  | The application, demonstrates implementing Spring Batch 5 using simple config and creating batch tables using liquibase                                                                                        | Completed |
 | [Rest API Documentation with examples](./boot-rest-docs-sample)                                                         | This application, demonstrates ability to generate pdf API documentation using spring rest docs                                                                                                                | Completed |  
-| [Custom SequenceNumber and LazyConnectionDataSourceProxy for db connection improvement](./jpa/boot-data-customsequence) | This application demonstrates:
-  - Custom sequence generation
-  - Database connection optimization using datasource-proxy and LazyConnectionDataSourceProxy with MariaDB
-  - SQL query validation using SQLStatementCountValidator
-  - Dynamic validation using ValidationGroups | Completed |
+| [Custom SequenceNumber and LazyConnectionDataSourceProxy for db connection improvement](./jpa/boot-data-customsequence) | This application demonstrates, Custom sequence generation, 
+  Database connection optimization using datasource-proxy and LazyConnectionDataSourceProxy with MariaDB,
+  SQL query validation using SQLStatementCountValidator,
+  Dynamic validation using ValidationGroups | Completed |
 | [KeySet pagination and dynamic search](./jpa/keyset-pagination/blaze-persistence)                                       | Implements KeySet Pagination using Blaze Persistence and enable dynamic search using specifications                                                                                                            | Completed |
 
 For More info about this repository, Please visit [here](https://rajadilipkolli.github.io/my-spring-boot-experiments/)
diff --git a/jpa/boot-data-customsequence/src/test/java/com/example/custom/sequence/web/controllers/OrderControllerIT.java b/jpa/boot-data-customsequence/src/test/java/com/example/custom/sequence/web/controllers/OrderControllerIT.java
index 090e5e9ba..875efbd10 100644
--- a/jpa/boot-data-customsequence/src/test/java/com/example/custom/sequence/web/controllers/OrderControllerIT.java
+++ b/jpa/boot-data-customsequence/src/test/java/com/example/custom/sequence/web/controllers/OrderControllerIT.java
@@ -186,6 +186,19 @@ void shouldReturn400WhenUpdatingOrderWithInvalidCustomerId() throws Exception {
                 .hasStatus(HttpStatus.NOT_FOUND);
     }
 
+    @Test
+    void shouldReturn404WhenUpdatingNonExistentOrder() throws Exception {
+        OrderRequest orderRequest = new OrderRequest("Updated Order", customer.getId());
+
+        this.mockMvcTester
+                .put()
+                .uri("/api/orders/{id}", "NON_EXISTENT_ID")
+                .contentType(MediaType.APPLICATION_JSON)
+                .content(objectMapper.writeValueAsString(orderRequest))
+                .assertThat()
+                .hasStatus(HttpStatus.NOT_FOUND);
+    }
+
     @Test
     void shouldDeleteOrder() {
         Order order = orderList.getFirst();