diff --git a/windows/security/threat-protection/index.md b/windows/security/threat-protection/index.md
index a5f0558991..37fa9942b9 100644
--- a/windows/security/threat-protection/index.md
+++ b/windows/security/threat-protection/index.md
@@ -19,8 +19,8 @@ ms.date: 10/04/2018
 <table>
 <tr>
 <td><a href="#asr"><center><img src="images/ASR_icon.png"> <br><b>Attack surface reduction</b></center></a></td>
-<td><center><a href="#ngp"><img src="images/ngp_icon.png"><br> <b>Next generation protection</b></a></center></td>
-<td><center><a href="#edr"><img src="images/edr_icon.png"><br> <b>Endpoint detection and response</b></a></center></td>
+<td><center><a href="#ngp"><img src="images/NGP_icon.png"><br> <b>Next generation protection</b></a></center></td>
+<td><center><a href="#edr"><img src="images/EDR_icon.png"><br> <b>Endpoint detection and response</b></a></center></td>
 <td><center><a href="#ai"><img src="images/AR_icon.png"><br> <b>Automated investigation and remediation</b></a></center></td>
 <td><center><a href="#mte"><img src="images/MTE_icon.png"><br> <b>Microsoft Threat Experts</b></a></center></td>
 <td><center><a href="#ss"><img src="images/SS_icon.png"><br><b>Secure score</b></a></center></td>