diff --git a/static/js/script.js b/static/js/script.js
index 618363e..9541085 100644
--- a/static/js/script.js
+++ b/static/js/script.js
@@ -124,7 +124,14 @@ document.addEventListener('DOMContentLoaded', function() {
                     highlightedText += `<span class="highlight-incorrect">${currentText[i]}</span>`;
                 }
             } else {
-                highlightedText += currentText[i];
+                // Für nicht eingegebene Zeichen: Einrückungen anzeigen
+                if (currentText[i] === ' ') {
+                    highlightedText += '<span class="highlight-space">·</span>';
+                } else if (currentText[i] === '\t') {
+                    highlightedText += '<span class="highlight-tab">→</span>';
+                } else {
+                    highlightedText += currentText[i];
+                }
             }
         }