diff --git a/README.md b/README.md
index 7155b98..a5dfd3c 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ flowchart LR;
     AzureSyncQueue --> AzureDevOpsService;
     AzureDevOpsService --> TimeLogSyncQueue;
     TimeLogSyncQueue --> TimeLogService;
-    TimeLogService --> TimeLogIAService
+    TimeLogService <--> TimeLogIAService
     ChangeFeedQueue --> AzureDevOpsService;
     AzureDevOpsService --> AzureDevOpsAPI;
     AzureDevOpsService <--> AzureDevOpsDatabase;