change the wording of the option from using Rakefile to Buildfile
diff --git a/lib/buildr/core/application.rb b/lib/buildr/core/application.rb
index 231e099..0d2fde1 100644
--- a/lib/buildr/core/application.rb
+++ b/lib/buildr/core/application.rb
@@ -330,7 +330,7 @@
['--rules', "Trace the rules resolution.",
lambda { |value| options.trace_rules = true }
],
- ['--no-search', '--nosearch', '-N', "Do not search parent directories for the Rakefile.",
+ ['--no-search', '--nosearch', '-N', "Do not search parent directories for the Buildfile.",
lambda { |value| options.nosearch = true }
],
['--silent', '-s', "Like --quiet, but also suppresses the 'in directory' announcement.",
