Fix typos in code comments.

features/support/helpers/misc_helpers.rb

@@ -73,7 +73,7 @@ end
 # times. The block must raise an exception for a run to be considered
 # as a failure. After a failure recovery_proc will be called (if
 # given) and the intention with it is to bring us back to the state
-# expected by the block, so it can be retries.
+# expected by the block, so it can be retried.
 def retry_tor(recovery_proc = nil, &block)
   max_retries = $config["MAX_NEW_TOR_CIRCUIT_RETRIES"]
   retries = 1

features/support/helpers/vm_helper.rb

@@ -426,7 +426,7 @@ EOF
     begin
       do_focus(window_title, user)
     rescue ExecutionFailedInVM
-      # Often when vdotool fails to focus a window it'll work when retried
+      # Often when xdotool fails to focus a window it'll work when retried
       # after redrawing the screen.  Switching to a new virtual desktop then
       # back seems to be a reliable way to handle this.
       select_virtual_desktop(3)