diff --git a/API-Documentation.md b/API-Documentation.md
index e72cc8a..4f24182 100644
--- a/API-Documentation.md
+++ b/API-Documentation.md
@@ -173,4 +173,16 @@ The `tags` attribute is a list of tags that apply to the plugin. By default, the
 ### Methods
 
 #### add_option(name, default=None, help=None)
-The `add_option` method sets a command-line option for the plugin to use, where the value set to the option is stored. The `name` argument is used as part of the command-line option. For example, if a plugin called "HTTP" added an option with the `name` "threads", the command-line option would be --http.threads. The `default` argument is optional, but if set, will return if the user does not specify the command-line option. The `help` argument is also optional, but recommended to let users know what the option is to be used for.
\ No newline at end of file
+The `add_option` method sets a command-line option for the plugin to use, where the value set to the option is stored if the option is used. The `name` argument is used as part of the command-line option. For example, if a plugin called "Foo" added an option with the `name` "bar", the command-line option would be --foo.bar. The `default` argument is optional, but if set, will return if the user does not specify the command-line option. The `help` argument is also optional, but recommended to let users know what the option is to be used for.
+
+#### add_constant_option(name, const, default=None, help=None)
+The `add_constant_option` method sets a command-line option for the plugin to use, where the value set to the `const` argument is stored if the option is used. The `name` argument is used as part of the command-line option. For example, if a plugin called "Foo" added an option with the `name` "bar", the command-line option would be --foo.bar. The `default` argument is optional, but if set, will return if the user does not specify the command-line option. The `help` argument is also optional, but recommended to let users know what the option is to be used for.
+
+#### add_true_option(name, help=None)
+The `add_true_option` method sets a command-line option for the plugin to use, where the boolean `True` is stored if the option is used. The `name` argument is used as part of the command-line option. For example, if a plugin called "Foo" added an option with the `name` "bar", the command-line option would be --foo.bar. The `help` argument is also optional, but recommended to let users know what the option is to be used for.
+
+#### add_false_option(name, help=None)
+The `add_false_option` method sets a command-line option for the plugin to use, where the boolean `False` is stored if the option is used. The `name` argument is used as part of the command-line option. For example, if a plugin called "Foo" added an option with the `name` "bar", the command-line option would be --foo.bar. The `help` argument is also optional, but recommended to let users know what the option is to be used for.
+
+#### add_list_option(name, default=None, help=None)
+The `add_list_option` method sets a command-line option for the plugin to use, where multiple space separated values are stored in a list is stored if the option is used. The `name` argument is used as part of the command-line option. For example, if a plugin called "Foo" added an option with the `name` "bar", the command-line option would be --foo.bar. The `help` argument is also optional, but recommended to let users know what the option is to be used for.
\ No newline at end of file