diff --git a/Result-HTML-Customization-(Docs-In-Progress).md b/Result-HTML-Customization-(Docs-In-Progress).md
index 5d73692..9005e25 100644
--- a/Result-HTML-Customization-(Docs-In-Progress).md
+++ b/Result-HTML-Customization-(Docs-In-Progress).md
@@ -9,15 +9,15 @@ You can design your own WhatsApp conversation page by creating a Jinja template.
 
 # The "msgs" variable
 As stated, msgs is a list. Inside the msgs variable, each item in the list is a dict containing the following keys
-* sender
-* time
-* key_id
-* timestamp
-* from_me
-* reply
-* media
-* meta
-* data
-* quoted_data
-* mime
-* caption
+* sender (str|None): The name or the phone number of the message sender.
+* time (str): The time of the message being sent. In format "%H:%M".
+* key_id (str): The message ID in the WhatsApp database.
+* timestamp (int): The timestamp of the message in second.
+* from_me (bool): Whether the message is sent by you or the peer(s)
+* reply (str|None): If the message is replying to some message, this will be the ID of the message being replied.
+* media (bool): Whether the message is a media.
+* meta (bool): Whether the message is a metadata. For example, someone join the group.
+* data (str|None): The actually message or metadata.
+* quoted_data (str|None): The actually message that being replied.
+* mime (str|None): The MIME type of the media.
+* caption (str|None): The caption along with media.