updates

ui/src/components/ParameterField.jsx

@@ -21,7 +21,10 @@ function ParameterHeader({ layer, parameter, onReset, resetDisabled }) {
 
   return (
     <div className="parameter__header">
-      <label>{parameter.label}</label>
+      <div className="parameter__title">
+        <label>{parameter.label}</label>
+        {parameter.description ? <p>{parameter.description}</p> : null}
+      </div>
       <button
         type="button"
         className="parameter__osc"

ui/src/styles.css

@@ -890,7 +890,22 @@ pre {
   display: grid;
   grid-template-columns: minmax(5.5rem, auto) minmax(0, 1fr) auto;
   gap: 0.5rem;
-  align-items: center;
+  align-items: start;
+}
+
+.parameter__title {
+  min-width: 0;
+}
+
+.parameter__title label {
+  display: block;
+}
+
+.parameter__title p {
+  margin: 0.2rem 0 0;
+  color: var(--app-muted);
+  font-size: 0.82rem;
+  line-height: 1.3;
 }
 
 .parameter__osc,