diff --git a/options/index.html b/options/index.html
index cdac416..a0672ed 100644
--- a/options/index.html
+++ b/options/index.html
@@ -68,7 +68,7 @@
       <legend>Bank details</legend>
       <label class="item">
         <span class="fh">IBAN</span><br>
-        <span class="sh">Please make sure to enter any letters in upper case.</span>
+        <span class="sh">Please make sure to enter any letters in upper case.</span><br>
         <input name="iban" id="iban" pattern="[A-Z]{2}\d{2}[A-Z0-9]+" />
       </label>
       <label class="item">
diff --git a/options/script.js b/options/script.js
index 5b3183a..9acce50 100644
--- a/options/script.js
+++ b/options/script.js
@@ -26,7 +26,7 @@ function luhnValidate(cardNumber) {
 
   return (total !== 0 && (total % 10) === 0);
 }
-function ibanLatinCharId(chr){
+function ibanLatinCharId(chr) {
   c = chr.charCodeAt(0);
   if (c > 0x40 && c <= 0x5a) {
     return chr.charCodeAt(0) - 0x40 + 9;
@@ -35,7 +35,7 @@ function ibanLatinCharId(chr){
   }
   return false;
 }
-function ibanValidate(iban){
+function ibanValidate(iban) {
   iban = iban.toUpperCase();
   countryId = iban.slice(0, 2);
   checksum = iban.slice(2, 4);
@@ -45,19 +45,19 @@ function ibanValidate(iban){
   resultingNumber = BigInt(processing, 10);
   mod = resultingNumber % 97n;
   return mod == 1;
-  
+
 }
 
-function putError(s){
+function putError(s) {
   document.querySelector('#errors').textContent += s;
 }
-function clearError(){
+function clearError() {
   document.querySelector('#errors').textContent = "";
 }
 
-async function saveValueIfNotEmpty(k, v){
-  if (v!==""){
-    return browser.storage.sync.set({k:v})
+async function saveValueIfNotEmpty(k, v) {
+  if (v !== "") {
+    return browser.storage.sync.set({ k: v })
   }
   return false
 }
@@ -71,7 +71,7 @@ async function saveOptions(ev) {
     return;
   }
   let bDay = this.querySelector('#birthday').value;
-  if (bDay == ""){
+  if (bDay == "") {
     putError("Please enter a birthday.");
     return;
   }
@@ -85,7 +85,7 @@ async function saveOptions(ev) {
   let postCode = this.querySelector('#postcode').value;
   let placeName = this.querySelector('#placename').value;
   let iban = this.querySelector('#iban').value;
-  if (iban != "" && !ibanValidate(iban)){
+  if (iban != "" && !ibanValidate(iban)) {
     putError("Please check your IBAN for typing errors.");
     return;
   }