diff --git a/mailbox-test-coverage.md b/mailbox-test-coverage.md
index 9d69cae..1dfa832 100644
--- a/mailbox-test-coverage.md
+++ b/mailbox-test-coverage.md
@@ -1,4 +1,4 @@
-| Mailbox ID | Title | Status | QA label | Test Scenario | Test Executed | Test Result cell |
+| Mailbox ID | Title | Status | QA label | Test Scenario | Test Executed | Test Result cell | Miss info |
 | ------ | ------ | ------ | ------ | ------ | ------ | ------ |
 | cell | cell | cell | cell | cell | cell | cell | 
 | cell | cell | cell | cell | cell | cell | cell |
\ No newline at end of file