Update doc/user/CONFIGURATION_FILE.md

Co-authored-by: snoyer <[email protected]>

doc/user/CONFIGURATION_FILE.md

@@ -66,7 +66,7 @@ Boolean options that have been turned on in the configuration file can be turned
 off on the command line if needed, eg: `--point-sprites=false`.
 
 F3D looks for configuration files in different locations depending on your operating system.
-They are read in the below order and combined.
+Existing configuration files are read in order and combined with later entries overriding earlier ones.
 
  * Linux: `/etc/f3d/config(.json,.d)`, `/usr/share/f3d/configs/config(.json,.d)`, `[install_dir]/share/f3d/configs/config(.json,.d)`, `${XDG_CONFIG_HOME}/f3d/config(.json,.d)`
  * Windows: `[install_dir]\share\f3d\configs\(config.json,.d)`, `%APPDATA%\f3d\(config.json,.d)`