Ensure the directories feature gets documented properly

Author: YgorSouza

crates/eframe/Cargo.toml

@@ -58,8 +58,8 @@ android-native-activity = ["egui-winit/android-native-activity"]
 ## If you plan on specifying your own fonts you may disable this feature.
 default_fonts = ["egui/default_fonts"]
 
-# Enable the directories dependency for a more precise file path for the persistence feature.
-# Not needed if you provide your own path, or if the simpler default path resolvers are good enough.
+## Enable the directories dependency for a more precise file path for the persistence feature.
+## Not needed if you provide your own path, or if the simpler default path resolvers are good enough.
 directories = ["dep:directories"]
 
 ## Use [`glow`](https://github.com/grovesNL/glow) for painting, via [`egui_glow`](https://github.com/emilk/egui/tree/master/crates/egui_glow).