diff --git a/docs/Chat.md b/docs/Chat.md
index f28cb61..ddeb5d4 100644
--- a/docs/Chat.md
+++ b/docs/Chat.md
@@ -9,7 +9,7 @@ POST https://api.flowdock.com/v1/messages/chat/:flow_api_token
 ## Input
 
 * `content`
-Content of the message. Tags will be automatically parsed from the message content. Required.
+Content of the message. Tags will be automatically parsed from the message content. Required. _Maximum length: 8096 characters._
 
 * `external_user_name`
 Name of the "user" sending the message. Required.
diff --git a/docs/Messages.md b/docs/Messages.md
index f734c5d..97dc825 100644
--- a/docs/Messages.md
+++ b/docs/Messages.md
@@ -45,7 +45,7 @@ The event parameter in the message data defines the type of message. More at [Me
 #### Normal Chat message
 Event: `message`
 
-For chat messages, `content` is simply a string which represents the chat message's content. Additionally, tags are parsed from the message content.
+For chat messages, `content` is simply a string which represents the chat message's content. Additionally, tags are parsed from the message content. _Maximum length of the content is 8096 characters._
 
 #### Status Update
 Event: `status`