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 # Overview
 
-A theme is a collection of static resources including images, fonts, and color palettes that you can utilize to personalize the appearance of your [AI DIAL Chat](https://github.com/epam/ai-dial-chat) application. These resources can be stored anywhere and accessed by the chat application via the internet. We provide the AI DIAL Chat Themes service as a convenient method for hosting these static resources and making them accessible for the chat application. However, you have the flexibility to choose your own method for accomplishing this. 
+A theme is a collection of static resources including images, fonts, and color palettes that you can utilize to personalize the appearance of your [AI DIAL Chat](https://github.com/epam/ai-dial-chat) application. These resources can be stored anywhere and accessed by the chat application via the internet. We provide the AI DIAL Chat Themes service as a convenient method for hosting these static resources and making them accessible for the chat application(s). However, you have the flexibility to choose your own method for accomplishing this. 
 
-This approach, having static resources externally, enables developers and designers to work concurrently and implement changes to themes without needing to redeploy the AI DIAL Chat application.
+This approach, having static resources externally, enables developers and designers to work concurrently and implement changes to themes without without having to rebuild the the chat application Docker image.
+
+**Note**: after making changes into themes, it is necessary to restart the chat application to apply changes.
 
 Chat application users can then select themes in [user settings](https://github.com/epam/ai-dial/blob/main/docs/user-guide.md#user-settings).