diff --git a/public/index.html b/public/index.html
index a15e364008310d30a6ecc160d7ede1c3cff92e1b..f48cfe9efa3d1249cb91391969e05d1636d070d3 100644
--- a/public/index.html
+++ b/public/index.html
@@ -77,7 +77,7 @@
             <option value="3">Good-ability group</option>
             <option value="4">Average-ability group</option>
             <option value="5">Low-ability group</option>
-            
+
           </select>
           <div id="category-validation" class="error-message">Please select the category.</div>
         </div>
diff --git a/public/index.js b/public/index.js
index 65ee9bcafe4801d474508f79e6e703f5136b2fe5..c925bef5a2c878d5d017f37d604c5f30edd397d1 100644
--- a/public/index.js
+++ b/public/index.js
@@ -87,7 +87,7 @@ function isFormValid() {
         document.getElementById('schoolLevel-validation').style.display = 'none';
     }
 
-    if (inputObj.category === ''|| inputObj.category === 0) {
+    if (inputObj.category === '' || inputObj.category === 0) {
         invalidFields++;
         document.getElementById('category-validation').style.display = 'block';
     } else {