Update README.md

Author: fvarrui

README.md

@@ -124,8 +124,8 @@ By default it will generate next artifacts in `${outputDirectory} ` folder:
 | `${name}_${version}.exe`                | Setup file.                                                  | Window   | [Inno Setup](http://www.jrsoftware.org/isinfo.php) |
 | `${name}_${version}.msi`                | MSI installer file.                                          | Windows  | [WiX Toolset](https://wixtoolset.org/)             |
 | `${name}_${version}.msm`                | MSI merge module file.                                       | Windows  | [WiX Toolset](https://wixtoolset.org/)             |
-| `${name}_${version}.dmg`                | Disk image file (uses **hdiutil**).                          | Mac OS X |                                                    |
-| `${name}_${version}.pkg`                | PKG installer file (uses **pkgbuild**).                      | Mac OS X |                                                    |
+| `${name}_${version}.dmg`                | Disk image file (uses **hdiutil**).                          | Mac OS   |                                                    |
+| `${name}_${version}.pkg`                | PKG installer file (uses **pkgbuild**).                      | Mac OS   |                                                    |
 | `${name}-${version}-${platform}.zip`    | Zipball containing generated directory `${name}`.            | All      |                                                    |
 | `${name}-${version}-${platform}.tar.gz` | Compressed tarball containing generated directory `${name}`. | All      |                                                    |
 | `assets`                                | Directory with all intermediate files generated by JavaPackager. | All      |                                                    |