description updates

shaders/temporal-echo/shader.json

@@ -15,33 +15,42 @@
       "label": "Echo Amount",
       "type": "float",
       "default": 0.55,
-      "min": 0.0,
-      "max": 1.0,
-      "step": 0.01
+      "min": 0,
+      "max": 1,
+      "step": 0.01,
+      "description": "Overall visibility of the temporal echoes."
     },
     {
       "id": "decay",
       "label": "Decay",
       "type": "float",
       "default": 0.72,
-      "min": 0.0,
-      "max": 1.0,
-      "step": 0.01
+      "min": 0,
+      "max": 1,
+      "step": 0.01,
+      "description": "How quickly older temporal echoes fade away."
     },
     {
       "id": "frameStride",
       "label": "Frame Stride",
       "type": "float",
-      "default": 2.0,
-      "min": 1.0,
-      "max": 6.0,
-      "step": 1.0
+      "default": 2,
+      "min": 1,
+      "max": 6,
+      "step": 1,
+      "description": "Number of frames skipped between each echo sample."
     },
     {
       "id": "echoTint",
       "label": "Echo Tint",
       "type": "color",
-      "default": [0.65, 0.85, 1.0, 1.0]
+      "default": [
+        0.65,
+        0.85,
+        1,
+        1
+      ],
+      "description": "Tint applied to older echo frames."
     }
   ]
 }