diff --git a/js/lib.main.js b/js/lib.main.js
index e197167..92b1ced 100644
--- a/js/lib.main.js
+++ b/js/lib.main.js
@@ -20,7 +20,7 @@ async function storageAvailable(type) {  // Currently not used
     }
 }
 
-async function versionDisplay() {
+async function versionDisplay() { // Outputs version string on to any page with a tag with id="ver_str"
     localStorage.setItem("version", version)
     document.getElementById('ver_str').textContent = version
     return;
@@ -127,7 +127,7 @@ async function getQuery(param) {
     }
 }
 
-async function vibe(type) {
+async function vibe(type) { // Offers three standard vibration patterns for consistency
     let canVibrate = "vibrate" in navigator || "mozVibrate" in navigator
     if (canVibrate && !("vibrate" in navigator)){
         navigator.vibrate = navigator.mozVibrate
@@ -144,7 +144,7 @@ async function vibe(type) {
     }
 }
 
-async function convertUnixLocal(unix) {
+async function convertUnixLocal(unix) { // Convert unix time string to local
     var jsTime = unix*1000
     var dt = new Date(jsTime)
     return dt.toLocaleString()
diff --git a/js/settings.js b/js/settings.js
index c261d54..ce57fc2 100644
--- a/js/settings.js
+++ b/js/settings.js
@@ -1,11 +1,16 @@
+//
 // Init:
+//
+// Setup quick links
 const ql = ["ql0","ql1","ql2","ql3","ql4","ql5","ql6","ql7","ql8","ql9","ql10","ql11"]
 storageAvailable("localStorage");
 getQl();
-hideLoading();
+// Check if already registered
 ifAlreadyRegistered();
+// Hide loading
+hideLoading();
 
-async function ifAlreadyRegistered() {
+async function ifAlreadyRegistered() { // If already registered, show this on the page
     if (! await isRegistered()) { return } else {
         document.getElementsByName("eml")[0].placeholder = "Registered";
         document.getElementById("reg_text").textContent = "You are already registered";
@@ -13,7 +18,7 @@ async function ifAlreadyRegistered() {
     }
 }
 
-async function getQl(){
+async function getQl(){ // Fetch Quick Links from localstorage
     var qlOpt = await getQuickLinks()
     if (qlOpt){
         var i = 0
@@ -26,8 +31,8 @@ async function getQl(){
     }
 }
 
-async function setQl(){
-    await showLoading();
+async function setQl(){ // Fetch Quick Links from text input and save to localstorage
+    await showLoading();// called as an onclick function
     var qlSet = []
     for (i in ql) {
         var opt = document.getElementById(`ql${i}`).value
@@ -45,7 +50,7 @@ async function setQl(){
     hideDone();
 }
 
-async function clearQl(){
+async function clearQl(){ // Clear Quick Links from localstorage
     showLoading();
     localStorage.removeItem("qlOpt")
     log(`settings.setQl: User settings reset to default`, "INFO")
@@ -57,7 +62,7 @@ async function clearQl(){
     hideDone();
 }
 
-async function isRegistered() {
+async function isRegistered() { // Check if a device is registered, returns BOOL
     if (localStorage.getItem("uuid")) {
         return true
         // Also need an API Call here to check if auth is working.
@@ -66,7 +71,7 @@ async function isRegistered() {
     return false
 }
 
-async function register() {
+async function register() { // Registers a device by sending POST request to API Server
     if (! await isRegistered()) {
         showLoading()
         let url = `${window.location.origin}/api/v1/auth/request`;
@@ -92,16 +97,16 @@ async function register() {
     } 
 }
 
-async function logout() {
+async function logout() { // Simply removed the UUID from localstorage
     localStorage.removeItem("uuid");
     location.reload();
     return
 }
 
-async function showDone() {
+async function showDone() { // Diaplays the 'Done' dialogue.
     document.getElementById("done").style = "opacity: 1";
 }
 
-async function hideDone() {
+async function hideDone() { // Hides the 'Done' dialogue.
     document.getElementById("done").style = "opacity: 0";
 }
\ No newline at end of file
diff --git a/js/simple-board.js b/js/simple-board.js
index 3c13afa..4308e9e 100644
--- a/js/simple-board.js
+++ b/js/simple-board.js
@@ -1,8 +1,9 @@
 /* Page Init: */
+// Run the init function at page load.
 init()
 
 /* Init function */
-async function init() {
+async function init() { // Gets query string and then fetch API response and pass to parsing function
     console.time("Time: Init to Complete")
     setLoadingDesc(`Loading\nservices`)
     var stn = await getQuery("stn");
@@ -87,7 +88,7 @@ async function buildPage(data) {
 }
 
 
-async function displayTrains(data) {
+async function displayTrains(data) { // Iterated through train services and passes API sections to other functions
     log(`simple-board.displayTrains: Inserting data in DOM`)
     for(var i = 0; i < data.length; i++) {
         // Reset Vars
@@ -99,20 +100,20 @@ async function displayTrains(data) {
     log(`simple-board.displayTrains: Insertion complete`)
 }
 
-async function displayFerry(ferrySvc) {
+async function displayFerry(ferrySvc) { // Iterates through each ferry service and passes to another function
     for(var i = 0; i < ferrySvc.length; i++) {
         displayFerryService(ferrySvc[i])
     }
 }
 
-async function displayBus(busSvc) {
+async function displayBus(busSvc) { // Iterates through each bus service and passes to other functions.
     for(var i = 0; i < busSvc.length; i++) {
         displayBusService(busSvc[i])
         buildCallLists(busSvc[i])
     }
 }
 
-async function displayService(svc) {
+async function displayService(svc) { // Creates a table row from each train service.
     var table = document.getElementById("output");
  
     // Determine Time Message
@@ -138,17 +139,17 @@ async function displayService(svc) {
     </table>`
     // Put Table Row
     table.insertAdjacentHTML("beforeend", row)
-    // Display Operator
+    // Display Operator where provided (it always will be, I think)
     if (svc.operator) {
         var opRow = `<p class="msg op">A ${svc.operator} service`
-        if (svc.length) {
+        if (svc.length) { // Displays number of carriages where provided
             opRow += ` with ${svc.length} carriages</p>`;
         } else {
           opRow += `</p>`
         }
         table.insertAdjacentHTML("beforeend", opRow);
     }
-    // Parse cancelReason & delayReason
+    // Parse cancelReason and then delayReason
     if (svc.cancelReason) {
         var cancelRow = `<p class="msg">${svc.cancelReason}</p>`
         table.insertAdjacentHTML("beforeend", cancelRow);
@@ -159,7 +160,7 @@ async function displayService(svc) {
     }    
 }
 
-async function displayFerryService(svc) {
+async function displayFerryService(svc) { // Creates a table for for each ferry service
     var table = document.getElementById("ferry");
     log(JSON.stringify(svc))
     // Determine Time Message
@@ -196,7 +197,7 @@ async function displayFerryService(svc) {
     document.getElementById("ferry").style = "display:block"
 }
 
-async function displayBusService(svc) {
+async function displayBusService(svc) { // Creates a table row for each bus service.
     var table = document.getElementById("bus");
     log(JSON.stringify(svc))
     // Determine Time Message
diff --git a/js/stat.js b/js/stat.js
index da34811..86ca7b2 100644
--- a/js/stat.js
+++ b/js/stat.js
@@ -1,16 +1,16 @@
 init();
 
-async function init() {
+async function init() { // The page init function
     display(await get())
 }
 
-async function get() {
+async function get() { // Fetch data from API
     var url = `${window.location.origin}/api/v1/stats`;
     var resp = await fetch(url);
     return await resp.json();
 }
 
-async function display(data) {
+async function display(data) { // Parses and displays data from API
     document.getElementById('server_host').textContent = data.host;
     document.getElementById('server_mode').textContent = data.mode || "Unknown";
     document.getElementById('ver-bkend').textContent = data.verBkend || "Unknown";