fix link to launch sites

diff --git a/AltOS/index.mdwn b/AltOS/index.mdwn
index ebc8913639011056b23c80ba1b23a9be4a33e028..67e3ea6f2147fe83ca04ecb77ffdfd01f8e0fe11 100644 (file)
--- a/AltOS/index.mdwn
+++ b/AltOS/index.mdwn
@@ -17,8 +17,7 @@ interface on the Altus Metrum devices.
 There are also Linux-specific tools that provide lower level access to
 the devices which are useful for developing firmware for the devices.
 
-We maintain a list of [launch site GPS coordinates](launch-sites.txt).  If 
-your favorite launch site isn't included, please let us know!
+We maintain a list of [launch site GPS coordinates](https://maps.altusmetrum.org/launch-sites.txt).  If your favorite launch site isn't included, please let us know!
 
 ## Available Versions ##