Update hermes.md

Trying to fix relative link.

docs/hermes/hermes.md

@@ -43,7 +43,7 @@ optional arguments:
 
 ```
 Hermes requires a .kml/.kmz file as input. Beyond that, most options have a default value that can be used or overriden if necessary (e.g. when building an MS for a simulated drone). 
-Once Hermes has successfully run, there should be a flightplan.ms file in the ```steel-eagle/hermes/``` directory. This file can then be uploaded from a [commander]({% link commander.md %}) and sent to a connected drone.
+Once Hermes has successfully run, there should be a flightplan.ms file in the ```steel-eagle/hermes/``` directory. This file can then be uploaded from a [commander]({{ site.baseurl }}{% link commander.md %}) and sent to a connected drone.
 
 ## New/Updated Task Specifications
 In order to provide new/updated tasks, we need to do a few things: