doc: standardize on "host name" in dgram.md

Our docs have a mix of "hostname" and "host name" in prose. Let's follow the usage of Unix man pages, RFCs, and most professionally-edited sources, and use "host name" in prose and "hostname" to refer to the command and in code. Lint rule forthcoming. PR-URL: #31326 Refs: #31073 Reviewed-By: Luigi Pinca <[email protected]> Reviewed-By: Richard Lau <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Trivikram Kamat <[email protected]>

Author: Trott

doc/api/dgram.md

@@ -400,7 +400,7 @@ changes:
 *`offset`{integer} Offset in the buffer where the message starts.
 *`length`{integer} Number of bytes in the message.
 *`port`{integer} Destination port.
-*`address`{string} Destination hostname or IP address.
+*`address`{string} Destination host name or IP address.
 *`callback`{Function} Called when the message has been sent.
 
 Broadcasts a datagram on the socket.