add additional link to "this video"

videos/demonstrations/Annapolis2021/README.md

@@ -11,7 +11,8 @@ climate and coastal change.
 
 [![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.  Note that the video was recorded from a Web browser, all models and metadata 
+[This video](https://savage.nps.edu/videos/Spiders3D/Annapolis_04_02_2021_.mp4)
+was briefed at ACM SIGGRAPH 2021 conference in Cartographic Birds of a Feather (BOF) session on Monday 9 August 2021.  Note that the video was recorded from a Web browser, all models and metadata 
 are following the open international data standard X3D.
 
 ## Overview
@@ -32,7 +33,7 @@ Impacts from storm surges and nuisance flooding affect daily operations through
  closures of flooded roads, sidewalks and building entry points. 
 With greater frequency and increased amounts of water, the negative impacts 
 are being increasingly felt throughout USNA operations. Long-term impact, 
-without future action, places many of USNA’s buildings and monuments as well as the 
+without future action, places many of USNA’s buildings and monuments as well as the 
 effective execution of the mission of the Academy at risk.
 
 ## Project Team
@@ -65,4 +66,4 @@ to ensure the successful execution of mission critical and base support activiti
 * Handheld LIDAR scanning in utility tunnels,
 * Geometry decimation and distillation,
 * Model publication on Web using Extensible 3D (X3D) Graphics International Standard.
- 
\ No newline at end of file
+