diff --git a/leios-sim/index.html b/leios-sim/index.html
index 959fbc75..d9176a55 100644
--- a/leios-sim/index.html
+++ b/leios-sim/index.html
@@ -26,22 +26,22 @@
 
       <div class="col-md-3">
 	<label for="inputLambda" class="form-label">$$\lambda_{\ }$$</label>
-	<input type="number" class="form-control" id="input_λ">
+	<input type="number" min="1" max="15" class="form-control" id="input_λ">
       </div>
 
       <div class="col-md-3">
 	<label for="inputL" class="form-label">$$L_{\ }$$</label>
-	<input type="number" class="form-control" id="input_L">
+	<input type="number" min="1" max="15" class="form-control" id="input_L">
       </div>
 
       <div class="col-md-3">
 	<label for="input_f_I" class="form-label">$$f_I$$</label>
-	<input type="number" min="1" max="5" class="form-control" id="input_f_I">
+	<input type="number" min="1" max="15" class="form-control" id="input_f_I">
       </div>
 
       <div class="col-md-3">
 	<label for="input_f_E" class="form-label">$$f_E$$</label>
-	<input type="number" min="1" max="5" class="form-control" id="input_f_E">
+	<input type="number" min="1" max="15" class="form-control" id="input_f_E">
       </div>
 
       <!-- Buttons -->