update about page (adds a link)

content/about/index.md

@@ -4,7 +4,7 @@ date: 2019-08-21
 coverCaption: >
   Längenfeld at the evening.
   Photo taken near [Astlehn/Fischbach](https://www.openstreetmap.org/?mlat=47.062377833333336&mlon=10.959586666666667#map=15/47.062377833333336/10.959586666666667).
-lastmod: 2024-09-08T22:42:43+0000
+lastmod: 2024-09-22T12:53:48+0000
 
 comment: false
 
@@ -51,7 +51,7 @@ myself up enough to go out in the field when I'm just hungry (and tired)
 
 ## Winlink
 
-I usually participate in the following Winlink nets:
+I usually participate in the following [Winlink](https://winlink.org/) nets:
 
 ### [Winlink Wednesday](https://winlinkwednesday.net/)