update comment

Author: davegarthsimpson

Diff for: .github/workflows/build.yml

@@ -74,7 +74,7 @@ env:
         mergeable-channel-file: 'false'
         # as this runs on a self hosted runner, we need to avoid building with the default working directory path,
         # otherwise paths in the build job will be too long for `light.exe`
-        # we use the below as a Symbolic  as just changing the wd will break our checkout action
+        # we use the below as a Symbolic link: just changing the wd will break the checkout action
         # as a work around. see: https://github.com/actions/checkout/issues/197
         working-directory: 'C:\a'
       artifacts: