diff --git a/public_html/js/client.js b/public_html/js/client.js
index e569b7e..8e9752e 100644
--- a/public_html/js/client.js
+++ b/public_html/js/client.js
@@ -1,5 +1,5 @@
 // Constants and variables
-//const wsUri = "ws://localhost:32715";
+// const wsUri = "ws://localhost:32715";
 const wsUri = "wss://chat.glitch-in.space:443/ws/";
 let websocket;
 
@@ -21,7 +21,7 @@ function openWebSocket() {
 
 // WebSocket event handlers
 function onOpen(evt) {
-	console.log('Connected to ' + wsUri + '.');
+	console.log("Connected to " + wsUri + ".");
 
 	// Send init command containing chat ID and nickname
 	sendInit();
@@ -32,12 +32,12 @@ function onClose(evt) {
 }
 
 function onMessage(evt) {
-	console.log('Received: "' + evt.data + '".');
+	console.log("Received: " + evt.data);
 	parseMessage(evt.data);
 }
 
 function onError(evt) {
-	console.error('Connection error: ', evt);
+	console.error("Connection error: ", evt);
 }
 
 // Command senders
@@ -51,7 +51,7 @@ function sendInit() {
 
 	// Send command as JSON string
 	let initJson = JSON.stringify(initObj);
-	console.log('Sending init: ' + initJson);
+	console.log("Sending init: " + initJson);
 	websocket.send(initJson);
 }
 
@@ -61,26 +61,26 @@ function parseMessage(msgString) {
 		let msg = JSON.parse(msgString);
 
 		switch (msg.type) {
-			// Response to 'init' command
-			case 'init':
+			// Response to "init" command
+			case "init":
 				// TODO
-				console.log('Got init response: ', msg);
+				console.log("Got init response: ", msg);
 				break;
 
 			// Incoming chat message
-			case 'message':
+			case "message":
 				// TODO
-				console.log('Got message event: from "' + msg.from + '", text "' + msg.text + '"');
+				console.log("Got message event: from '" + msg.from + "', text '" + msg.text + "'");
 				break;
 
 			// TODO Topic change, user join/leave, error, ...
 
 			default:
-				console.error('Unknown message type: "' + msg.type + '"');
+				console.error("Unknown message type '" + msg.type + "'");
 		}
 	}
 	catch (e) {
-		console.error('Error parsing message JSON: ' + e.message);
+		console.error("Error parsing message JSON: " + e.message);
 	}
 }
 
diff --git a/server/chatserver.py b/server/chatserver.py
index 3456fd9..96cd319 100755
--- a/server/chatserver.py
+++ b/server/chatserver.py
@@ -31,6 +31,8 @@ async def parse_client_message(websocket, message_text):
 async def handle_client_init(websocket, message):
     """Handle client 'init' message."""
 
+    # TODO input check for nickname
+
     print(f"< init: chat_id='{message['chat_id']}', nickname='{message['nickname']}'")
     await send_client_init_response(websocket)
     await send_client_previous_messages(websocket)
@@ -40,7 +42,7 @@ async def send_client_init_response(websocket):
     """Send an init response message to a newly connected client."""
 
     response = json.dumps({
-        'type': 'init'
+        "type": "init"
     })
     print(f"> {response}")
     await websocket.send(response)
@@ -52,9 +54,9 @@ async def send_client_previous_messages(websocket):
     # For now: send test messages
     for i in range(1, 4):
         testmsg = json.dumps({
-            'type': 'message',
-            'from': 'Alice',
-            'text': f"Message number {i}, hello!"
+            "type": "message",
+            "from": "Alice",
+            "text": f"Message number {i}, hello!"
         })
         print(f"> {testmsg}")
         await websocket.send(testmsg)