diff --git a/enable-custom-ti-windows-defender-advanced-threat-protection.md b/enable-custom-ti-windows-defender-advanced-threat-protection.md
index a881fa5b5a..ec9ec64115 100644
--- a/enable-custom-ti-windows-defender-advanced-threat-protection.md
+++ b/enable-custom-ti-windows-defender-advanced-threat-protection.md
@@ -42,4 +42,4 @@ You'll need to use these values on the JSON file when doing REST API calls.
 ## Related topics
 - [Understand threat intelligence](threat-indicator-concepts-windows-defender-advanced-threat-protection.md)
 - [Create custom threat intelligence](custom-ti-api-windows-defender-advanced-threat-protection.md)
-- [Troubleshoot custom custom threat intelligence issues](troubleshoot-custom-ti-api-windows-defender-advanced-threat-protection.md)
+- [Troubleshoot custom threat intelligence issues](troubleshoot-custom-ti-windows-defender-advanced-threat-protection.md)
diff --git a/windows/keep-secure/custom-ti-api-windows-defender-advanced-threat-protection.md b/windows/keep-secure/custom-ti-api-windows-defender-advanced-threat-protection.md
index c2bb6ec530..03aa0dbd08 100644
--- a/windows/keep-secure/custom-ti-api-windows-defender-advanced-threat-protection.md
+++ b/windows/keep-secure/custom-ti-api-windows-defender-advanced-threat-protection.md
@@ -347,4 +347,4 @@ These parameters are compatible with the [OData V4 query language](http://docs.o
 ## Related topics
 - [Understand threat intelligence](threat-indicator-concepts-windows-defender-advanced-threat-protection.md)
 - [Enable the custom threat intelligence application](enable-custom-ti-windows-defender-advanced-threat-protection.md)
-- [Troubleshoot custom custom threat intelligence issues](troubleshoot-custom-ti-api-windows-defender-advanced-threat-protection.md)
+- [Troubleshoot custom threat intelligence issues](troubleshoot-custom-ti-windows-defender-advanced-threat-protection.md)
diff --git a/windows/keep-secure/threat-indicator-concepts-windows-defender-advanced-threat-protection.md b/windows/keep-secure/threat-indicator-concepts-windows-defender-advanced-threat-protection.md
index 272dfb0836..6ba02b8421 100644
--- a/windows/keep-secure/threat-indicator-concepts-windows-defender-advanced-threat-protection.md
+++ b/windows/keep-secure/threat-indicator-concepts-windows-defender-advanced-threat-protection.md
@@ -50,4 +50,4 @@ IOCs have a many-to-one relationship with alert definitions such that an alert d
 ## Related topic
 - [Enable the custom threat intelligence application](enable-custom-ti-windows-defender-advanced-threat-protection.md)
 - [Create custom threat indicators using REST API](custom-ti-api-windows-defender-advanced-threat-protection.md)
-- [Troubleshoot custom custom threat intelligence issues](troubleshoot-custom-ti-api-windows-defender-advanced-threat-protection.md)
+- [Troubleshoot custom threat intelligence issues](troubleshoot-custom-ti-windows-defender-advanced-threat-protection.md)