diff --git a/Geek-Stuff.md b/Geek-Stuff.md
index 8520d4a..052a5fd 100644
--- a/Geek-Stuff.md
+++ b/Geek-Stuff.md
@@ -6,7 +6,7 @@ The server will accept packets in either format, but will only send packets in t
 
 ## Subprotocol `binary.vail.woozle.org`
 
-Network byte order, "binary" version of a Message structure.
+Network byte order, "binary" version of a Message structure. To send messages in this format, be sure you specify a binary WebSocket message.
 
 ```go
 // Message is a single Vail message.
@@ -27,6 +27,7 @@ type Message struct {
 ## Subprotocol `json.vail.woozle.org`
 
 A JSON encoded version of the message structure.
+Be sure to specify a text WebSocket message.
 
 Example: