add wikipedia url

Signed-off-by: Ian Carroll <ian.t.carroll@nasa.gov>

Author: itcarroll

topics/nasa-pace/index.md

@@ -3,7 +3,8 @@ topic: nasa-pace
 display_name: NASA's PACE Mission
 short_description: An Earth-observing satellite mission for Plankton, Aerosols, Clouds, and ocean Ecosystems.
 url: https://pace.gsfc.nasa.gov/
-logo: pace_decal_288px
+wikipedia_url: https://en.wikipedia.org/wiki/Plankton,_Aerosol,_Cloud,_ocean_Ecosystem
+logo: pace_decal_288px.png
 related: nasa
 ---