Fix inappropriate variable name.

"description" is the first element here, not all elements.  So
"descriptor" is a better name.

1 files changed, 3 insertions, 4 deletions

diff --git a/background_scripts/commands.coffee b/background_scripts/commands.coffee
index 6c452242..b58a3b0c 100644
--- a/background_scripts/commands.coffee
+++ b/background_scripts/commands.coffee
@@ -1,7 +1,7 @@
 Commands =
   init: ->
-    for own command, description of commandDescriptions
-      @addCommand(command, description[0], description[1])
+    for own command, descriptor of commandDescriptions
+      @addCommand(command, descriptor[0], descriptor[1])
     @loadKeyMappings Settings.get "keyMappings"
     Settings.postUpdateHooks["keyMappings"] = @loadKeyMappings.bind this
 
@@ -18,12 +18,11 @@ Commands =
   #  - background: whether this command needs to be run against the background page.
   #  - passCountToFunction: true if this command should have any digits which were typed prior to the
   #    command passed to it. This is used to implement e.g. "closing of 3 tabs".
-  addCommand: (command, description, options) ->
+  addCommand: (command, description, options = {}) ->
     if command of @availableCommands
       BgUtils.log "#{command} is already defined! Check commands.coffee for duplicates."
       return
 
-    options ||= {}
     @availableCommands[command] = extend options, description: description
 
   mapKeyToCommand: ({ key, command, options }) ->