diff --git a/Rakefile b/Rakefile
index 5d69402..703b30d 100755
--- a/Rakefile
+++ b/Rakefile
@@ -7,8 +7,8 @@ require "bundler/setup"
 Bundler.require
 
 Motion::Project::App.setup do |app|
-  #app.sdk_version = '8.0'
-  #app.deployment_target = '7.0'
+  #app.sdk_version = '8.1'
+  #app.deployment_target = '7.1'
 
   app.name = 'rmq'
   app.identifier = 'com.infinitered.rmq'
diff --git a/motion/ruby_motion_query/enumerablish.rb b/motion/ruby_motion_query/enumerablish.rb
index 7406993..2c7108d 100644
--- a/motion/ruby_motion_query/enumerablish.rb
+++ b/motion/ruby_motion_query/enumerablish.rb
@@ -1,6 +1,6 @@
-module RubyMotionQuery 
+module RubyMotionQuery
   class RMQ
-    # I'm purposly not including Enumerable, 
+    # I'm purposly not including Enumerable,
     # please use to_a if you want one
 
 
@@ -67,10 +67,12 @@ module RubyMotionQuery
 
     # @return [RMQ]
     def first
+      # TODO, check if it fails with nil
       RMQ.create_with_array_and_selectors([selected.first], @selectors, @context)
     end
     # @return [RMQ]
     def last
+      # TODO, check if it fails with nil
       RMQ.create_with_array_and_selectors([selected.last], @selectors, @context)
     end