Update src/content/docs/calls/datachannels.mdx

Author: renandincer

src/content/docs/calls/datachannels.mdx

@@ -22,7 +22,7 @@ DataChannels on Cloudflare Calls can scale up to many subscribers per publisher,
 1. Create a two Calls sessions, one for the publisher and one for the subscribers.
 2. Create a DataChannel by calling /datachannels/new with the location set to "local" and the dataChannelName set to the name of the DataChannel.
 3. Create a DataChannel by calling /datachannels/new with the location set to "remote" and the sessionId set to the sessionId of the publisher.
-4. Use the DataChannel to send and receive data.
+4. Use the DataChannel to send data from the publisher to the subscribers.
 
 ### Unidirectional DataChannels