Mention KDE Dolphin service menu (and fix typo)

README.md

@@ -25,8 +25,9 @@ Maybe you don't want to disclose those information.
 This is precisely the job of mat2: getting rid, as much as possible, of
 metadata.
 
-mat2 provides both a command line tool, and a graphical user interface
-via an extension for Nautilus, the default file manager of GNOME.
+mat2 provides a command line tool, and graphical user interfaces via a service
+menu for Dolphin, the default file manager of KDE, and an extension for
+Nautilus, the default file manager of GNOME.
 
 # Requirements
 

dolphin/README.md

@@ -5,7 +5,7 @@ Thanks to [Miguel Marco](https://riemann.unizar.es/~mmarco/), here is an neat
 integration for [Dolphin](https://kde.org/applications/system/org.kde.dolphin),
 the KDE file manager:
 
-1. Add the `mat.desktop` file either in
+1. Add the `mat2.desktop` file either in
 	- `/usr/share/kservices5/ServiceMenus/` to install it globally
 	- `~/.local/share/kservices5/ServiceMenus/` for a specific user
 2. Run `kbuildsycoca5` to update the corresponding database