1 files changed, 4 insertions, 1 deletions
diff --git a/tools/profile b/tools/profile
index a35dd18b77..eb7fc7792b 100755
--- a/tools/profile
+++ b/tools/profile
@@ -1,4 +1,7 @@
 #!/usr/bin/env ruby
+# Profile require calls giving information about the time and the files that are called
+# when loading the provided file.
+#
 # Example:
 #   tools/profile activesupport/lib/active_support.rb [ruby-prof mode] [ruby-prof printer]
 ENV['NO_RELOAD'] ||= '1'
@@ -65,7 +68,7 @@ module CodeTools
     private
 
     def assert_ruby_file_exists(path)
-      fail Error.new("No such file") unless File.exists?(path)
+      fail Error.new("No such file") unless File.exist?(path)
       fail Error.new("#{path} is a directory") if File.directory?(path)
       ruby_extension = File.extname(path) == '.rb'
       ruby_executable = File.open(path, 'rb') {|f| f.readline } =~ [/\A#!.*ruby/]