README: use relative paths only

README.md

@@ -52,10 +52,10 @@ and `pkg-config --modversion gio-2.0` should print versions.
 Change to the project directory:
 
 ```bash
-cd /home/trager/Nextcloud/Projekte/C++/gKeyMapper
+cd gKeyMapper
 ```
 
-(Alternatively clone the repository or copy the project folder to your own location.)
+(Use the path where you cloned or copied the repository.)
 
 ## Build