diff --git a/presentations/10_TENA_References.md b/presentations/10_TENA_References.md
index 242366443f144bfaf5ef471be45c15068c445109..b7fce24ba972dd1f30a863f887e6128e9b690e6a 100644
--- a/presentations/10_TENA_References.md
+++ b/presentations/10_TENA_References.md
@@ -10,11 +10,11 @@
 
 1. [TENA Home](https://www.tena-sda.org) 
 
-2. [TENA Overview Briefing](https://www.tena-sda.org/attachments/TENA-OverviewBrief-2019-10-15-DistA.pdf)
+2. [TENA Overview Fact Sheet](https://www.tena-sda.org/attachments/TENA-OverviewFS-2020-03-16-DistA.pdf)
 
-3. [IITSEC 2018 TENA Tutorial](../conferences/IITSEC2018/IITSEC2018_TENA_Tutorial_1716wide.pdf)
+3. [TENA Overview Briefing](https://www.tena-sda.org/attachments/TENA-OverviewBrief-2019-10-15-DistA.pdf)
 
-4. [TENA Overview Fact Sheet](https://www.tena-sda.org/attachments/TENA-OverviewFS-2020-03-16-DistA.pdf)
+4. [IITSEC 2018 TENA Tutorial](../conferences/IITSEC2018/IITSEC2018_TENA_Tutorial_1716wide.pdf)
 
 5. [TENA Wikipedia](https://en.wikipedia.org/wiki/Test_and_Training_Enabling_Architecture)