slight inclusive wording changes

Signed-off-by: strawberry <strawberry@puppygock.gay>

src/api/server_server.rs

@@ -1540,7 +1540,7 @@ pub async fn create_invite_route(body: Ruma<create_invite::v2::Request>) -> Resu
 	let mut event: JsonObject = serde_json::from_str(body.event.get())
 		.map_err(|_| Error::BadRequest(ErrorKind::InvalidParam, "Invalid invite event bytes."))?;
 
-	event.insert("event_id".to_owned(), "$dummy".into());
+	event.insert("event_id".to_owned(), "$placeholder".into());
 
 	let pdu: PduEvent = serde_json::from_value(event.into()).map_err(|e| {
 		warn!("Invalid invite event: {}", e);

src/database/key_value/globals.rs

@@ -52,7 +52,7 @@ impl service::globals::Data for KeyValueDatabase {
 
 		let mut futures = FuturesUnordered::new();
 
-		// Return when *any* user changed his key
+		// Return when *any* user changed their key
 		// TODO: only send for user they share a room with
 		futures.push(self.todeviceid_events.watch_prefix(&userdeviceid_prefix));
 

src/service/media/mod.rs

@@ -194,8 +194,8 @@ impl Service {
 				debug!("Full MXC key from database: {:?}", key);
 
 				// we need to get the MXC URL from the first part of the key (the first 0xff /
-				// 255 push) this code does look kinda crazy but blame conduit for using magic
-				// keys
+				// 255 push). this is all necessary because of conduit using magic keys for
+				// media
 				let mut parts = key.split(|&b| b == 0xFF);
 				let mxc = parts
 					.next()

src/service/sending/mod.rs

@@ -360,11 +360,11 @@ impl Service {
 
 		for user_id in device_list_changes {
 			// Empty prev id forces synapse to resync: https://github.com/matrix-org/synapse/blob/98aec1cc9da2bd6b8e34ffb282c85abf9b8b42ca/synapse/handlers/device.py#L767
-			// Because synapse resyncs, we can just insert dummy data
+			// Because synapse resyncs, we can just insert placeholder data
 			let edu = Edu::DeviceListUpdate(DeviceListUpdateContent {
 				user_id,
-				device_id: device_id!("dummy").to_owned(),
-				device_display_name: Some("Dummy".to_owned()),
+				device_id: device_id!("placeholder").to_owned(),
+				device_display_name: Some("Placeholder".to_owned()),
 				stream_id: uint!(1),
 				prev_id: Vec::new(),
 				deleted: None,