* modify description.

Author: Hideo Nakamura

writeexcel.gemspec

@@ -10,7 +10,7 @@ Gem::Specification.new do |s|
   s.required_rubygems_version = Gem::Requirement.new(">= 0") if s.respond_to? :required_rubygems_version=
   s.authors = ["Hideo NAKAMURA"]
   s.date = %q{2011-06-07}
-  s.description = %q{Multiple worksheets can be added to a workbook and formatting can be applied to cells. Text, numbers, formulas, hyperlinks and images can be written to the cells.}
+  s.description = %q{The writeexcel rubygem can be used to create a cross-platform Excel binary file. Multiple worksheets can be added to a workbook and formatting can be applied to cells. Text, numbers, formulas, hyperlinks, images and charts can be written to the cells.}
   s.email = %q{cxn03651@msj.biglobe.ne.jp}
   s.extra_rdoc_files = [
     "README.rdoc"