diff --git a/README.md b/README.md
index 92fab56a..4b981135 100644
--- a/README.md
+++ b/README.md
@@ -8,11 +8,11 @@ Manage Procfile-based applications
 
     $ gem install foreman
 
-Ruby users should take care *not* to install foreman in their project's `Gemfile`. See this [wiki article](https://github.com/ddollar/foreman/wiki/Don't-Bundle-Foreman) for more details.
+Ruby users should take care _not_ to install foreman in their project's `Gemfile`. See this [wiki article](https://github.com/ddollar/foreman/wiki/Don't-Bundle-Foreman) for more details.
 
 ## Getting Started
 
-* http://blog.daviddollar.org/2011/05/06/introducing-foreman.html
+- http://blog.daviddollar.org/2011/05/06/introducing-foreman.html
 
 ## Supported Ruby versions
 
@@ -20,29 +20,31 @@ See [ci.yml](.github/workflows/ci.yml) for a list of Ruby versions against which
 
 ## Documentation
 
-* [man page](http://ddollar.github.io/foreman/)
-* [wiki](https://github.com/ddollar/foreman/wiki)
-* [changelog](https://github.com/ddollar/foreman/blob/master/Changelog.md)
+- [man page](http://ddollar.github.io/foreman/)
+- [wiki](https://github.com/ddollar/foreman/wiki)
+- [changelog](https://github.com/ddollar/foreman/blob/main/Changelog.md)
 
 ## Ports
 
-* [forego](https://github.com/ddollar/forego) - Go
-* [node-foreman](https://github.com/strongloop/node-foreman) - Node.js
-* [gaffer](https://github.com/jingweno/gaffer) - Java/JVM
-* [goreman](https://github.com/mattn/goreman) - Go
-* [honcho](https://github.com/nickstenning/honcho) - python
-* [proclet](https://github.com/kazeburo/Proclet) - Perl
-* [shoreman](https://github.com/chrismytton/shoreman) - shell
-* [crank](https://github.com/arktisklada/crank) - Crystal
-* [houseman](https://github.com/fujimura/houseman) - Haskell
-* [spm](https://github.com/bytegust/spm) - Go
+- [forego](https://github.com/ddollar/forego) - Go
+- [node-foreman](https://github.com/strongloop/node-foreman) - Node.js
+- [gaffer](https://github.com/jingweno/gaffer) - Java/JVM
+- [goreman](https://github.com/mattn/goreman) - Go
+- [honcho](https://github.com/nickstenning/honcho) - python
+- [proclet](https://github.com/kazeburo/Proclet) - Perl
+- [shoreman](https://github.com/chrismytton/shoreman) - shell
+- [crank](https://github.com/arktisklada/crank) - Crystal
+- [houseman](https://github.com/fujimura/houseman) - Haskell
+- [spm](https://github.com/bytegust/spm) - Go
 
 ## Authors
 
 #### Created and maintained by
+
 David Dollar
 
 #### Patches contributed by
+
 [Contributor List](https://github.com/ddollar/foreman/contributors)
 
 ## License
diff --git a/lib/foreman/engine/cli.rb b/lib/foreman/engine/cli.rb
index a6055332..1cbc66f4 100644
--- a/lib/foreman/engine/cli.rb
+++ b/lib/foreman/engine/cli.rb
@@ -49,7 +49,7 @@ def color(name)
 
   def startup
     @colors = map_colors
-    proctitle "foreman: master" unless Foreman.windows?
+    proctitle "foreman: main" unless Foreman.windows?
     Color.enable($stdout, options[:color])
   end
 
diff --git a/lib/foreman/export/base.rb b/lib/foreman/export/base.rb
index 2608b546..010529e6 100644
--- a/lib/foreman/export/base.rb
+++ b/lib/foreman/export/base.rb
@@ -74,8 +74,8 @@ def self.warn_deprecation!
     puts "WARNING: Using deprecated exporter interface. Please update your exporter"
     puts "the interface shown in the upstart exporter:"
     puts
-    puts "https://github.com/ddollar/foreman/blob/master/lib/foreman/export/upstart.rb"
-    puts "https://github.com/ddollar/foreman/blob/master/data/export/upstart/process.conf.erb"
+    puts "https://github.com/ddollar/foreman/blob/main/lib/foreman/export/upstart.rb"
+    puts "https://github.com/ddollar/foreman/blob/main/data/export/upstart/process.conf.erb"
     puts
     @@deprecation_warned = true
   end
diff --git a/man/foreman.1 b/man/foreman.1
index 2e10ceef..83813e21 100644
--- a/man/foreman.1
+++ b/man/foreman.1
@@ -56,7 +56,7 @@ Specify the directory to place process logs in\.
 Specify which port to use as the base for this application\. Should be a multiple of 1000\.
 .TP
 \fB\-t\fR, \fB\-\-template\fR
-Specify an alternate template to use for creating export files\. See \fIhttps://github\.com/ddollar/foreman/tree/master/data/export\fR for examples\.
+Specify an alternate template to use for creating export files\. See \fIhttps://github\.com/ddollar/foreman/tree/main/data/export\fR for examples\.
 .TP
 \fB\-u\fR, \fB\-\-user\fR
 Specify the user the application should be run as\. Defaults to the app name
diff --git a/man/foreman.1.ronn b/man/foreman.1.ronn
index 78e07350..9961741c 100644
--- a/man/foreman.1.ronn
+++ b/man/foreman.1.ronn
@@ -1,5 +1,4 @@
-foreman(1) -- manage Procfile-based applications
-================================================
+# foreman(1) -- manage Procfile-based applications
 
 ## SYNOPSIS
 
@@ -26,23 +25,23 @@ application type.
 
 The following options control how the application is run:
 
-  * `-m`, `--formation`:
-    Specify the number of each process type to run. The value passed in
-    should be in the format `process=num,process=num`
+- `-m`, `--formation`:
+  Specify the number of each process type to run. The value passed in
+  should be in the format `process=num,process=num`
 
-  * `-e`, `--env`:
-    Specify one or more .env files to load
+- `-e`, `--env`:
+  Specify one or more .env files to load
 
-  * `-f`, `--procfile`:
-    Specify an alternate Procfile to load, implies `-d` at the Procfile root.
+- `-f`, `--procfile`:
+  Specify an alternate Procfile to load, implies `-d` at the Procfile root.
 
-  * `-p`, `--port`:
-    Specify which port to use as the base for this application. Should be
-    a multiple of 1000.
+- `-p`, `--port`:
+  Specify which port to use as the base for this application. Should be
+  a multiple of 1000.
 
-  * `-t`, `--timeout`:
-    Specify the amount of time (in seconds) processes have to shutdown
-    gracefully before receiving a SIGKILL, defaults to 5.
+- `-t`, `--timeout`:
+  Specify the amount of time (in seconds) processes have to shutdown
+  gracefully before receiving a SIGKILL, defaults to 5.
 
 `foreman run` is used to run one-off commands using the same environment
 as your defined processes.
@@ -57,63 +56,63 @@ either required or optional depending on the export format.
 
 The following options control how the application is run:
 
-  * `-a`, `--app`:
-    Use this name rather than the application's root directory name as the
-    name of the application when exporting.
+- `-a`, `--app`:
+  Use this name rather than the application's root directory name as the
+  name of the application when exporting.
 
-  * `-m`, `--formation`:
-    Specify the number of each process type to run. The value passed in
-    should be in the format `process=num,process=num`
+- `-m`, `--formation`:
+  Specify the number of each process type to run. The value passed in
+  should be in the format `process=num,process=num`
 
-  * `-l`, `--log`:
-    Specify the directory to place process logs in.
+- `-l`, `--log`:
+  Specify the directory to place process logs in.
 
-  * `-p`, `--port`:
-    Specify which port to use as the base for this application. Should be
-    a multiple of 1000.
+- `-p`, `--port`:
+  Specify which port to use as the base for this application. Should be
+  a multiple of 1000.
 
-  * `-t`, `--template`:
-    Specify an alternate template to use for creating export files.
-    See <https://github.com/ddollar/foreman/tree/master/data/export> for examples.
+- `-t`, `--template`:
+  Specify an alternate template to use for creating export files.
+  See <https://github.com/ddollar/foreman/tree/main/data/export> for examples.
 
-  * `-u`, `--user`:
-    Specify the user the application should be run as. Defaults to the
-    app name
+- `-u`, `--user`:
+  Specify the user the application should be run as. Defaults to the
+  app name
 
 ## GLOBAL OPTIONS
 
 These options control all modes of foreman's operation.
 
-  * `-d`, `--root`:
-    Specify an alternate application root. This defaults to the directory
-    containing the Procfile.
+- `-d`, `--root`:
+  Specify an alternate application root. This defaults to the directory
+  containing the Procfile.
 
-  * `-e`, `--env`:
-    Specify an alternate environment file. You can specify more than one
-    file by using: `--env file1,file2`.
+- `-e`, `--env`:
+  Specify an alternate environment file. You can specify more than one
+  file by using: `--env file1,file2`.
 
-  * `-f`, `--procfile`:
-    Specify an alternate location for the application's Procfile. This file's
-    containing directory will be assumed to be the root directory of the
-    application.
+- `-f`, `--procfile`:
+  Specify an alternate location for the application's Procfile. This file's
+  containing directory will be assumed to be the root directory of the
+  application.
 
 ## EXPORT FORMATS
 
 foreman currently supports the following output formats:
 
-  * bluepill
+- bluepill
 
-  * inittab
+- inittab
 
-  * launchd
+- launchd
 
-  * runit
+- runit
 
-  * supervisord
+- supervisord
 
-  * systemd
+- systemd
 
-  * upstart
+- upstart
 
 ## INITTAB EXPORT
 
@@ -129,22 +128,22 @@ Will export a chunk of inittab-compatible configuration:
 Will create a series of systemd scripts in the location you specify. Scripts
 will be structured to make the following commands valid:
 
-  `systemctl start appname.target`
+`systemctl start appname.target`
 
-  `systemctl stop appname-processname.target`
+`systemctl stop appname-processname.target`
 
-  `systemctl restart appname-processname-3.service`
+`systemctl restart appname-processname-3.service`
 
 ## UPSTART EXPORT
 
 Will create a series of upstart scripts in the location you specify. Scripts
 will be structured to make the following commands valid:
 
-  `start appname`
+`start appname`
 
-  `stop appname-processname`
+`stop appname-processname`
 
-  `restart appname-processname-3`
+`restart appname-processname-3`
 
 ## PROCFILE
 
diff --git a/tasks/release.rake b/tasks/release.rake
index bc02c8c1..eefc1917 100644
--- a/tasks/release.rake
+++ b/tasks/release.rake
@@ -24,7 +24,7 @@ task :pages => "man:commit" do
     git add -u index.html
     git commit -m "saving man page to github docs"
     git push origin -f gh-pages
-    git checkout master
+    git checkout main
   }
 end