diff --git a/SotonLookupTool.java b/SotonLookupTool.java
index cd54b8ad33e1376e24072726874cd41679e88245..07bafee5045d0e4afee29957dad65310ff9d5381 100644
--- a/SotonLookupTool.java
+++ b/SotonLookupTool.java
@@ -4,46 +4,42 @@ import java.net.URL;
 import java.net.HttpURLConnection;
 
 class SotonLookupTool{
-	public static String ReadLine(String message){
-		BufferedReader br= new BufferedReader(new InputStreamReader(System.in));
-		System.out.print(message);
-		try {		
-			return br.readLine();
-		} catch (Exception e) {
+	public static String ReadLine(String message){ //function to read the next line entered by the user in the console, after displaying a given message
+		BufferedReader br= new BufferedReader(new InputStreamReader(System.in)); //initialised buffered reader
+		System.out.print(message); //print message passed as a parameter
+		try {
+			return br.readLine(); //return the entered string
+		} catch (Exception e) { //if an exception occurs, print an error and return an empty string
 			System.out.println(e);
 			return "";
 		}
 	}
 	
-	public static String MakeHttpGetRequest(String URL){
-		return "";
-	}
-	
 	public static void main(String[] args){
 		try {
-			String id = ReadLine("Enter id: ");
-			URL url = new URL("https://www.ecs.soton.ac.uk/people/" + id);
-			HttpURLConnection connection = (HttpURLConnection) url.openConnection();
+			String id = ReadLine("Enter id: "); //get user to enter an ID to check
+			URL url = new URL("https://www.ecs.soton.ac.uk/people/" + id); //create the url, appendeding the ID
+			HttpURLConnection connection = (HttpURLConnection) url.openConnection(); //initialise the HTTP request, buffered reader and found flag
 			connection.setRequestMethod("GET");
 			BufferedReader br= new BufferedReader(new InputStreamReader(connection.getInputStream()));
 			String line;
 			boolean found = false;
-			do {
+			do { //do while loop to look through each line of the HTML file and extract the relevant info
 				line = br.readLine();
-				if (line != null){
-					if (line.length() >= 25){
-						//System.out.println(line.substring(0,25));
-						if (line.substring(0,25).equals("<meta property=\"og:title\"")){
+				if (line != null){ //test if null so we can use the .length method without causing an exception
+					if (line.length() >= 25){ //test if more than 25 chracters so we can check the substring of the first 25 characters without causing an exception
+						if (line.substring(0,25).equals("<meta property=\"og:title\"")){ //if the property value is correct, extract the relevant info and print it, setting the found flag
 							System.out.print("Found: ");
 							System.out.println(line.substring(35,(line.length()-4)));
+							found = true;
 						}
 					}
 				}
 			} while (line != null);
-			if (!found){
+			if (!found){ //if the loop terminates and the name is not found, inform the user
 				System.out.println("Not found");
 			}
-		}
+		} //if at any point an exception occurs, it will be printed and the program will terminate
 		catch (Exception e) {
 			System.out.println(e);
 		}