diff --git a/videos/demonstrations/Annapolis2021/README.md b/videos/demonstrations/Annapolis2021/README.md
index 329f824bacf9a6c84a4cc243f0fab4fae34d0059..3cec342a40b9020954006d3011ce1ace67c05710 100644
--- a/videos/demonstrations/Annapolis2021/README.md
+++ b/videos/demonstrations/Annapolis2021/README.md
@@ -7,9 +7,9 @@ visualization platform to better understand and communicate specific Courses of
 that the installation might need to implement in order to be more resilient for 
 climate and coastal change.
 
-![AnnapolisCampusSplash_04_02_2021 "USNA Annapolis Maryland, 3D Virtual Environment walkthrough video"](AnnapolisCampusSplash_04_02_2021)
+![AnnapolisCampusSplash_04_02_2021.png "USNA Annapolis Maryland, 3D Virtual Environment walkthrough video"](AnnapolisCampusSplash_04_02_2021.png)
 
-[![AnnapolisCampusSplash_04_02_2021 "USNA Annapolis Maryland, 3D Virtual Environment walkthrough video"](AnnapolisCampusSplash_04_02_2021)](https://savage.nps.edu/videos/Spiders3D/Annapolis_04_02_2021_.mp4)
+[![AnnapolisCampusSplash_04_02_2021.png "USNA Annapolis Maryland, 3D Virtual Environment walkthrough video"](AnnapolisCampusSplash_04_02_2021.png)](https://savage.nps.edu/videos/Spiders3D/Annapolis_04_02_2021_.mp4)
 
 This video was briefed at ACM SIGGRAPH 2021 conference in 
 Cartographic Birds of a Feather (BOF) session on Monday 9 August 2021.