diff --git a/src/config/Config.zig b/src/config/Config.zig
index 196409762..95dcf3420 100644
--- a/src/config/Config.zig
+++ b/src/config/Config.zig
@@ -2276,6 +2276,18 @@ keybind: Keybinds = .{},
 
 /// Custom CSS files to be loaded.
 ///
+/// GTK CSS documentation can be found at the following links:
+///
+///   * <https://docs.gtk.org/gtk4/css-overview.html> - An overview of GTK CSS.
+///   * <https://docs.gtk.org/gtk4/css-properties.html> - A comprehensive list
+///     of supported CSS properties.
+///
+/// Launch Ghostty with `env GTK_DEBUG=interactive ghostty` to tweak Ghostty's
+/// CSS in real time using the GTK Inspector. Errors in your CSS files would
+/// also be reported in the terminal you started Ghostty from. See
+/// <https://developer.gnome.org/documentation/tools/inspector.html> for more
+/// information about the GTK Inspector.
+///
 /// This configuration can be repeated multiple times to load multiple files.
 /// Prepend a ? character to the file path to suppress errors if the file does
 /// not exist. If you want to include a file that begins with a literal ?