diff --git a/index.html b/index.html
index c867509..07be005 100644
--- a/index.html
+++ b/index.html
@@ -79,12 +79,13 @@
         <div class="input-group">
           <label for="down_pct">Eigenkapital</label>
           <div class="slider-row">
-            <input type="range" id="down_pct_slider" min="5" max="80" step="1" value="25" />
+            <input type="range" id="down_pct_slider" min="0" max="100" step="1" value="25" />
             <div class="num-unit">
-              <input type="number" id="down_pct" min="5" max="80" step="1" value="25" />
+              <input type="number" id="down_pct" min="0" max="100" step="1" value="25" />
               <span class="unit">%</span>
             </div>
           </div>
+          <span class="cap-msg" id="down_pct_cap">Maximum gegeben das Startkapital</span>
         </div>
 
         <div class="input-group">
diff --git a/style.css b/style.css
index 6abce0c..bc296c8 100644
--- a/style.css
+++ b/style.css
@@ -135,6 +135,14 @@ label {
   font-weight: 400;
 }
 
+.cap-msg {
+  font-size: 0.72rem;
+  color: var(--text-hint);
+  display: none;
+}
+
+.cap-msg.visible { display: block; }
+
 /* ===== Slider row ===== */
 .slider-row {
   display: flex;
diff --git a/ui.js b/ui.js
index 15feb56..caae02a 100644
--- a/ui.js
+++ b/ui.js
@@ -304,10 +304,12 @@ const clamp_down_pct = () => {
 
   const slider = document.getElementById('down_pct_slider');
   const num    = document.getElementById('down_pct');
+  const at_cap = +num.value >= max_pct - 0.05;
   if (+num.value > max_pct) {
     num.value    = Math.round(max_pct * 10) / 10;
     slider.value = num.value;
   }
+  document.getElementById('down_pct_cap').classList.toggle('visible', at_cap);
 };
 
 // ===== Slider ↔ number sync =====