Update readme

Readme.md

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 # DiscordChatExporter
 
-DiscordChatExporter can be used to export message history from [Discord](https://discordapp.com) to an HTML file. It works for both direct message chats and guild chats, supports markdown, message grouping, and attachments. There are options to configure the output, such as date format, color theme, message grouping limit, etc.
+DiscordChatExporter can be used to export message history from a [Discord](https://discordapp.com) channel to a file. It works for both direct message chats and guild chats, supports markdown, message grouping, and attachments. The tool also lets you select from/to dates to limit the exported messages. There are options to configure the output, such as date format, color theme, message grouping limit, etc.
 
 ## Screenshots
 
+![](http://www.tyrrrz.me/Projects/DiscordChatExporter/Images/1.png)
 ![](http://www.tyrrrz.me/Projects/DiscordChatExporter/Images/3.png)
 
 ## Download
@@ -12,15 +13,17 @@ DiscordChatExporter can be used to export message history from [Discord](https:/
 
 ## Features
 
-- Exports to a self-contained HTML file
-- Supports both dark and light theme
-- Displays user avatars
+- Intuitive GUI that displays available guilds and channels
+- Date ranges to limit messages
 - Groups messages by author and time
-- Handles Discord markdown characters
-- Converts URLs to links
-- Inlines attached images with a link to the full version
-- Inserts download links for other types of attached files
-- Marks edited messages with a timestamp
+- Export to a plain text file
+- Export to an HTML file
+  - Dark and light themes
+  - User avatars
+  - Inline image attachments
+  - Full markdown support
+  - Automatic links
+  - Styled similarly to the app
 
 ## Libraries used