Fix truncated comment in config.yml (#999)

examples/config.yml

@@ -171,7 +171,8 @@ punchy:
 # and has been deprecated for "preferred_ranges"
 #preferred_ranges: ["172.16.0.0/24"]
 
-# sshd can expose informational and administrative functions via ssh this is a
+# sshd can expose informational and administrative functions via ssh. This can expose informational and administrative
+# functions, and allows manual tweaking of various network settings when debugging or testing.
 #sshd:
   # Toggles the feature
   #enabled: true