Update CHANGELOG

CHANGELOG.md

@@ -6,6 +6,7 @@ FEATURES:
     syncing folders to be added as plugins to Vagrant.
   - The `--debug` flag can be specified on any command now to get debug-level
     log output to ease reporting bugs.
+  - You can now specify a memory using `vb.memory` setting with VirtualBox.
 
 IMPROVEMENTS:
 

plugins/providers/virtualbox/config.rb

@@ -81,7 +81,7 @@ module VagrantPlugins
       #
       # @param size [Integer, String] the memory size in MB
       def memory=(size)
-        customize "pre-boot", ["modifyvm", :id, "--memory", size]
+        customize("pre-boot", ["modifyvm", :id, "--memory", size.to_s])
       end
 
       # This is the hook that is called to finalize the object before it