diff --git a/Saviour Backup System/addBackupWizard.cs b/Saviour Backup System/addBackupWizard.cs
index 981085a..479b0e6 100644
--- a/Saviour Backup System/addBackupWizard.cs	
+++ b/Saviour Backup System/addBackupWizard.cs	
@@ -153,29 +153,33 @@ namespace Saviour_Backup_System
         /// Create record for drive
         /// </summary>
         private void createRecord() {
-            SqlCeConnection conn = databaseTools.conn;
-            SqlCeCommand cmd = conn.CreateCommand();
-            DriveInfo drive = USBTools.getDriveObject(drivesDropdown.Text.Substring(0, 1));
-            conn.Open();
+            SqlCeConnection conn = databaseTools.conn; //Get connection object
+            SqlCeCommand cmd = conn.CreateCommand(); //Generate command object to run SQL
+            DriveInfo drive = USBTools.getDriveObject(drivesDropdown.Text.Substring(0, 1)); //Get drive object from 
+            string driveID = USBTools.calculateDriveID(drive); //Calculate ID for drive
+            conn.Open(); //Open connection to database
             statusProgress.Text = "Connection established...";
 
-            cmd.CommandText = "INSERT INTO Drive (ID, Name, Capacity, File_System, Type) VALUES (?,?,?,?,?)";
+            cmd.CommandText = "INSERT INTO Drive (ID, Name, Capacity, File_System, Type) VALUES (?,?,?,?,?)"; //Defined SQL statement for insertion
+            /*Generate SQL parameters, stops injection */
             cmd.Parameters.Add(new SqlCeParameter("Drive ID", SqlDbType.NText));
             cmd.Parameters.Add(new SqlCeParameter("Drive Name", SqlDbType.NText));
             cmd.Parameters.Add(new SqlCeParameter("Capacity", SqlDbType.BigInt));
             cmd.Parameters.Add(new SqlCeParameter("File System", SqlDbType.NText));
             cmd.Parameters.Add(new SqlCeParameter("Type", SqlDbType.NText));
-            cmd.Prepare();
-            cmd.Parameters["Drive ID"].Value = USBTools.calculateDriveID(drive);
+            cmd.Prepare(); //Prepare the parameters for use
+            /*Assign values to parameters */
+            cmd.Parameters["Drive ID"].Value = driveID;
             cmd.Parameters["Drive Name"].Value = drive.VolumeLabel;
             cmd.Parameters["Capacity"].Value = Convert.ToInt64(drive.TotalSize);
             cmd.Parameters["File System"].Value = drive.DriveFormat;
             cmd.Parameters["Type"].Value = USBTools.getDriveType(drive);
-            cmd.ExecuteNonQuery();
-            cmd.Parameters.Clear();
-            statusProgress.Text = "Drive Record Created...";
+            cmd.ExecuteNonQuery(); //Execute code
+            cmd.Parameters.Clear(); //Clear teh parameters for reuse
+            statusProgress.Text = "Drive Record Created..."; //Display message
 
-            cmd.CommandText = "INSERT INTO Recordset VALUES (?, ?, ?, ?, ?, ?, ?)";
+            cmd.CommandText = "INSERT INTO Recordset VALUES (?, ?, ?, ?, ?, ?, ?)"; //Redefine SQL statement for different insertion
+            /* Generate SQL Paramters for use */
             cmd.Parameters.Add(new SqlCeParameter("Name", SqlDbType.NText));
             cmd.Parameters.Add(new SqlCeParameter("Drive ID", SqlDbType.NText));
             cmd.Parameters.Add(new SqlCeParameter("Creation Date", SqlDbType.BigInt));
@@ -183,19 +187,18 @@ namespace Saviour_Backup_System
             cmd.Parameters.Add(new SqlCeParameter("Automatic", SqlDbType.Bit));
             cmd.Parameters.Add(new SqlCeParameter("Compression", SqlDbType.Bit));
             cmd.Parameters.Add(new SqlCeParameter("Previous Backups", SqlDbType.Int));
-            cmd.Prepare();
+            cmd.Prepare(); //Prepare parameters
             cmd.Parameters["Name"].Value = backupNameInput.Text;
-            cmd.Parameters["Drive ID"].Value = USBTools.calculateDriveID(drive);
-            cmd.Parameters["Creation Date"].Value = tools.getUnixTimeStamp();
+            cmd.Parameters["Drive ID"].Value = driveID;
+            cmd.Parameters["Creation Date"].Value = tools.getUnixTimeStamp(); //Calulate current time
             cmd.Parameters["Backup Location"].Value = folderPath.Text;
             cmd.Parameters["Automatic"].Value = insertionSwitch.Value;
             cmd.Parameters["Compression"].Value = compressionSwitch.Value;
             cmd.Parameters["Previous Backups"].Value = previousBackupInput.Value;
-            cmd.ExecuteNonQuery();
-            cmd.Parameters.Clear();
-            statusProgress.Text = "Recordset created...";
-            conn.Close();
-
+            cmd.ExecuteNonQuery(); //Execute SQL
+            cmd.Parameters.Clear(); //Clear parameter list
+            statusProgress.Text = "Recordset created..."; //Display message
+            conn.Close(); //Close database connection
         }
 
         private void insertionSwitch_Click(object sender, EventArgs e) { insertionSwitch.Value = !insertionSwitch.Value; }
diff --git a/Saviour Backup System/currentTransfers.cs b/Saviour Backup System/currentTransfers.cs
index 69eb52e..01645aa 100644
--- a/Saviour Backup System/currentTransfers.cs	
+++ b/Saviour Backup System/currentTransfers.cs	
@@ -28,29 +28,28 @@ namespace Saviour_Backup_System
         /// <param name="endDirectory">Directory to store files</param>
         /// <param name="visible">Will the progress window be displayed?</param>
         public void startCopy(DriveInfo drive, string endDirectory, bool visible) { //used for validation to make sure the copy wont fail.
-            if (!Directory.Exists(drive.Name)) { MessageBox.Show("The drive directory does not exist."); }
+            if (!Directory.Exists(drive.Name)) { MessageBox.Show("The drive directory does not exist."); } //Check if the drive is still attached
 
-            else if (!Directory.Exists(endDirectory)) { MessageBox.Show("The end directory does not exist."); }
+            else if (!Directory.Exists(endDirectory)) { MessageBox.Show("The end directory does not exist."); } //Check if the directory exists
 
             else { //error checking is done (just in case something slips through.
-                string hash = tools.hashDirectory(drive.Name);
+                string hash = tools.hashDirectory(drive.Name); //Generate a hash of the drive in current state
                 string DBHash = databaseTools.getHashofRecentBackup(USBTools.calculateDriveID(drive)); //get the hash from the database
-                MessageBox.Show("hash:" + hash + "\nDBHash:" + DBHash);
                 if (DBHash != "NONE") {//if the hash is found in the database
                     if (DBHash == hash) { //if the hash in the database matches the drive, don't backup because nothing will have changed.
                         MessageBox.Show("No changes have been made to files on drive " + drive.VolumeLabel + ", Will not backup.", "No Changes", MessageBoxButtons.OK, MessageBoxIcon.Information);
                         return;
                     } else { //The actual backup case
                         string addition; //stores any extra directory needed, mainly for adding temp.
-                        if (databaseTools.isCompression(USBTools.calculateDriveID(drive)))
+                        if (databaseTools.isCompression(USBTools.calculateDriveID(drive))) //is the drive using compression
                         {
-                            addition = "\\Temp";
+                            addition = "\\Temp"; //Append temp to directory for backup
                         }
-                        else {addition = "\\" + drive.VolumeLabel + "-" + DateTime.Now.ToString(); }
-                        copyFiles(drive.Name.Substring(0, 1), endDirectory + addition, visible, drive, hash);
+                        else {addition = "\\" + drive.VolumeLabel + "-" + DateTime.Now.ToString(); } //Generate directory with date / Time
+                        copyFiles(drive.Name.Substring(0, 1), endDirectory + addition, visible, drive, hash); //Initiate the copy
                     }
                 } else {
-                    MessageBox.Show("An error occured when getting the drive hash. Please try again.", "Hash Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                    MessageBox.Show("An error occured when getting the drive hash. Please try again.", "Hash Error", MessageBoxButtons.OK, MessageBoxIcon.Error); //Hashes dont match
                     return;
                 }
             }
@@ -67,16 +66,16 @@ namespace Saviour_Backup_System
         private void copyFiles(string driveLetter, string endDirectory, bool display, DriveInfo drive, string hash)
         {
             backups++; //appends to the number of backups running
-            progressBars.Add(new copyProgressBar());
-            layoutPanel.Controls.Add(new copyProgressLabel());
-            layoutPanel.Controls.Add(progressBars[backups]);
+            progressBars.Add(new copyProgressBar()); //Create the display progressbar and store it for reference
+            layoutPanel.Controls.Add(new copyProgressLabel()); //Create the display label and add it to display
+            layoutPanel.Controls.Add(progressBars[backups]); //Display the progress bar and add it to display
 
 
-            copyFilesList.Add(new CopyFiles.CopyFiles(driveLetter + ":\\", endDirectory));
+            copyFilesList.Add(new CopyFiles.CopyFiles(driveLetter + ":\\", endDirectory)); //Generate copying oject, and pass it details of copy
 
-            transfersList.Add(new transferWindow(backups, drive, hash, endDirectory));
+            transfersList.Add(new transferWindow(backups, drive, hash, endDirectory)); //Generate progress window, and pass it details
             transfersList[backups].SynchronizationObject = this;
-            copyFilesList[backups].CopyAsync(transfersList[backups]);
+            copyFilesList[backups].CopyAsync(transfersList[backups]); //Initiate the backup (in a new thread) from reference to copying object
 
             if (!display) { transfersList[backups].Hide(); } //if it is a startup backup process, quickly hide the dialog.
         }