diff --git a/lib/foreman/cli.rb b/lib/foreman/cli.rb
index a311f92..848717d 100644
--- a/lib/foreman/cli.rb
+++ b/lib/foreman/cli.rb
@@ -5,7 +5,7 @@ require "thor"
 
 class Foreman::CLI < Thor
 
-  class_option :procfile, :type => :string, :aliases => "-f", :desc => "Default: ./Procfile"
+  class_option :pstypes, :type => :string, :aliases => "-f", :desc => "Default: Pstypes"
 
   desc "start [PROCESS]", "Start the application, or a specific process"
 
@@ -14,7 +14,7 @@ class Foreman::CLI < Thor
     :banner => '"alpha=5,bar=3"'
 
   def start(process=nil)
-    check_procfile!
+    check_pstypes!
 
     if process
       engine.execute(process, options)
@@ -33,7 +33,7 @@ class Foreman::CLI < Thor
     :banner => '"alpha=5,bar=3"'
 
   def export(format, location=nil)
-    check_procfile!
+    check_pstypes!
 
     formatter = case format
       when "upstart" then Foreman::Export::Upstart
@@ -49,16 +49,16 @@ class Foreman::CLI < Thor
 
 private ######################################################################
 
-  def check_procfile!
-    error("Procfile does not exist.") unless File.exist?(procfile)
+  def check_pstypes!
+    error("#{pstypes} does not exist.") unless File.exist?(pstypes)
   end
 
   def engine
-    @engine ||= Foreman::Engine.new(procfile)
+    @engine ||= Foreman::Engine.new(pstypes)
   end
 
-  def procfile
-    options[:procfile] || "./Procfile"
+  def pstypes
+    options[:pstypes] || "Pstypes"
   end
 
 private ######################################################################
@@ -68,8 +68,8 @@ private ######################################################################
     exit 1
   end
 
-  def procfile_exists?(procfile)
-    File.exist?(procfile)
+  def pstypes_exists?(pstypes)
+    File.exist?(pstypes)
   end
 
 end
diff --git a/lib/foreman/engine.rb b/lib/foreman/engine.rb
index c6f6db3..3a15d48 100644
--- a/lib/foreman/engine.rb
+++ b/lib/foreman/engine.rb
@@ -8,21 +8,21 @@ require "fileutils"
 
 class Foreman::Engine
 
-  attr_reader :procfile
+  attr_reader :pstypes
   attr_reader :directory
 
   extend Term::ANSIColor
 
   COLORS = [ cyan, yellow, green, magenta, red ]
 
-  def initialize(procfile)
-    @procfile  = read_procfile(procfile)
-    @directory = File.expand_path(File.dirname(procfile))
+  def initialize(pstypes)
+    @pstypes   = read_pstypes(pstypes)
+    @directory = File.expand_path(File.dirname(pstypes))
   end
 
   def processes
     @processes ||= begin
-      procfile.split("\n").inject({}) do |hash, line|
+      pstypes.split("\n").inject({}) do |hash, line|
         next if line.strip == ""
         name, command = line.split(" ", 2)
         process = Foreman::Process.new(name, command)
@@ -140,8 +140,8 @@ private ######################################################################
     $0 = title
   end
 
-  def read_procfile(procfile)
-    File.read(procfile)
+  def read_pstypes(pstypes)
+    File.read(pstypes)
   end
 
   def watch_for_termination
diff --git a/man/foreman.1.ronn b/man/foreman.1.ronn
index 7a79759..7af367f 100644
--- a/man/foreman.1.ronn
+++ b/man/foreman.1.ronn
@@ -1,4 +1,4 @@
-foreman(1) -- manage Procfile-based applications
+foreman(1) -- manage Pstypes-based applications
 ================================================
 
 ## SYNOPSIS
@@ -8,8 +8,8 @@ foreman(1) -- manage Procfile-based applications
 
 ## DESCRIPTION
 
-**Foreman** is a manager for Procfile-based applications. Its aim is to
-abstract away the details of the Procfile format, and allow you to either run
+**Foreman** is a manager for Pstypes-based applications. Its aim is to
+abstract away the details of the Pstypes format, and allow you to either run
 your application directly or export it to some other process management
 format.
 
@@ -18,7 +18,7 @@ format.
 `foreman start` is used to run your application directly from the command line.
 
 If no additional parameters are passed, foreman will run one instance of each
-type of process defined in your Procfile.
+type of process defined in your Pstypes.
 
 If a parameter is passed, foreman will run one instance of the specified
 application type.
@@ -66,8 +66,8 @@ The following options control how the application is run:
 
 These options control all modes of foreman's operation.
 
-  * `-f`, `--procfile`:
-    Specify an alternate location for the application's Procfile. This file's
+  * `-f`, `--pstypes`:
+    Specify an alternate location for the application's Pstypes. This file's
     containing directory will be assumed to be the root directory of the
     application.
 
@@ -99,9 +99,9 @@ will be structured to make the following commands valid:
 
   `restart appname-processname-3`
 
-## PROCFILE
+## PSTYPES
 
-A Procfile should contain both a name for the process and the command used
+A Pstyes file should contain both a name for the process and the command used
 to run it.
 
     web  bundle exec thin start
@@ -117,9 +117,9 @@ Export the application in upstart format:
 
     $ foreman export upstart /etc/init
 
-Run one process type from the application defined in a specific Procfile:
+Run one process type from the application defined in a specific Pstypes:
 
-    $ foreman start alpha -p ~/app/Procfile
+    $ foreman start alpha -p ~/app/Pstypes
 
 ## COPYRIGHT
 
diff --git a/spec/foreman/cli_spec.rb b/spec/foreman/cli_spec.rb
index a1b8305..9b1986a 100644
--- a/spec/foreman/cli_spec.rb
+++ b/spec/foreman/cli_spec.rb
@@ -5,17 +5,17 @@ describe "Foreman::CLI" do
   subject { Foreman::CLI.new }
 
   describe "start" do
-    describe "with a non-existent Procfile" do
+    describe "with a non-existent Pstypes" do
       it "prints an error" do
-        mock_error(subject, "Procfile does not exist.") do
+        mock_error(subject, "Pstypes does not exist.") do
           dont_allow.instance_of(Foreman::Engine).start
           subject.start
         end
       end
     end
 
-    describe "with a Procfile" do
-      before(:each) { write_procfile }
+    describe "with a Pstypes" do
+      before(:each) { write_pstypes }
 
       it "runs successfully" do
         dont_allow(subject).error
@@ -26,17 +26,17 @@ describe "Foreman::CLI" do
   end
 
   describe "export" do
-    describe "with a non-existent Procfile" do
+    describe "with a non-existent Pstypes" do
       it "prints an error" do
-        mock_error(subject, "Procfile does not exist.") do
+        mock_error(subject, "Pstypes does not exist.") do
           dont_allow.instance_of(Foreman::Engine).export
           subject.export("testapp")
         end
       end
     end
 
-    describe "with a Procfile" do
-      before(:each) { write_procfile }
+    describe "with a Pstypes" do
+      before(:each) { write_pstypes }
 
       describe "with an invalid formatter" do
         it "prints an error" do
diff --git a/spec/foreman/engine_spec.rb b/spec/foreman/engine_spec.rb
index 0c030a0..53ac06d 100644
--- a/spec/foreman/engine_spec.rb
+++ b/spec/foreman/engine_spec.rb
@@ -2,18 +2,18 @@ require "spec_helper"
 require "foreman/engine"
 
 describe "Foreman::Engine" do
-  subject { Foreman::Engine.new("Procfile") }
+  subject { Foreman::Engine.new("Pstypes") }
 
   describe "initialize" do
-    describe "without an existing Procfile" do
+    describe "without an existing Pstypes" do
       it "raises an error" do
         lambda { subject }.should raise_error
       end
     end
 
-    describe "with a Procfile" do
+    describe "with a Pstypes" do
       it "reads the processes" do
-        write_procfile
+        write_pstypes
         subject.processes["alpha"].command.should == "./alpha"
         subject.processes["bravo"].command.should == "./bravo"
       end
@@ -22,7 +22,7 @@ describe "Foreman::Engine" do
 
   describe "start" do
     it "forks the processes" do
-      write_procfile
+      write_pstypes
       mock(subject).fork(subject.processes["alpha"], {})
       mock(subject).fork(subject.processes["bravo"], {})
       mock(subject).watch_for_termination
@@ -30,7 +30,7 @@ describe "Foreman::Engine" do
     end
 
     it "handles concurrency" do
-      write_procfile
+      write_pstypes
       mock(subject).fork_individual(subject.processes["alpha"], 5000)
       mock(subject).fork_individual(subject.processes["alpha"], 5001)
       mock(subject).fork_individual(subject.processes["bravo"], 5100)
@@ -41,7 +41,7 @@ describe "Foreman::Engine" do
 
   describe "execute" do
     it "runs the processes" do
-      write_procfile
+      write_pstypes
       mock(subject).fork(subject.processes["alpha"], {})
       mock(subject).watch_for_termination
       subject.execute("alpha")
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index b8fe97f..e13faaf 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -24,8 +24,8 @@ def write_foreman_config(app)
   end
 end
 
-def write_procfile(procfile="Procfile")
-  File.open(procfile, "w") do |file|
+def write_pstypes(pstypes="Pstypes")
+  File.open(pstypes, "w") do |file|
     file.puts "alpha ./alpha"
     file.puts "bravo ./bravo"
   end