README.md in command_mapper-0.2.0 vs README.md in command_mapper-0.2.1

@@ -19,13 +19,13 @@
 * Supports mapping in options and additional arguments.
   * Supports common option types:
     * [Str][CommandMapper::Types::Str]: string values
     * [Num][CommandMapper::Types::Num]: numeric values
     * [Hex][CommandMapper::Types::Hex]: hexadecimal values
-    * [Map][CommandMapper::Types::Map]: maps `true`/`false` to `yes`/`no`, or
-      `enabled`/`disabled` (aka `--opt=yes|no` or
-      `--opt=enabled|disabled` values).
+    * [Map][CommandMapper::Types::Map]: maps Ruby values to other String values.
+      * `Map::YesNo`: maps `true`/`false` to `yes`/`no`.
+      * `Map::EnabledDisabled`: Maps `true`/`false` to `enabled`/`disabled`.
     * [Enum][CommandMapper::Types::Enum]: maps a finite set of Symbols to a
       finite set of Strings (aka `--opt={foo|bar|baz}` values).
     * [List][CommandMapper::Types::List]: comma-separated list
       (aka `--opt VALUE,...`).
     * [KeyValue][CommandMapper::Types::KeyValue]: maps a Hash or Array to
@@ -310,9 +310,21 @@
 Grep.run do |grep|
   grep.ignore_case = true
   grep.patterns    = "foo"
   grep.file        = "file.txt"
 end
+```
+
+Overriding the command name:
+
+```ruby
+Grep.run(..., command_name: 'grep2')
+```
+
+Specifying the direct path to the command:
+
+```ruby
+Grep.run(..., command_path: '/path/to/grep')
 ```
 
 ### Capturing output
 
 ```ruby