Update README to include default-props-match-prop-types rule

Author: Roy Sutton

README.md

@@ -80,6 +80,7 @@ Finally, enable all of the rules that you would like to use.  Use [our preset](#
 
 # List of supported rules
 
+* [react/default-props-match-prop-types](docs/rules/default-props-match-prop-types): Prevent extraneous defaultProps on components
 * [react/display-name](docs/rules/display-name.md): Prevent missing `displayName` in a React component definition
 * [react/forbid-component-props](docs/rules/forbid-component-props.md): Forbid certain props on Components
 * [react/forbid-elements](docs/rules/forbid-elements.md): Forbid certain elements
@@ -153,7 +154,7 @@ Finally, enable all of the rules that you would like to use.  Use [our preset](#
 
 ## Recommended
 
-This plugin exports a `recommended` configuration that enforce React good practices.
+This plugin exports a `recommended` configuration that enforces React good practices.
 
 To enable this configuration use the `extends` property in your `.eslintrc` config file: