diff --git a/Memory-model.md b/Memory-model.md
index e1f3672..8b33f7b 100644
--- a/Memory-model.md
+++ b/Memory-model.md
@@ -77,5 +77,13 @@ Memory is released in `DynamicJsonBuffer`'s destructor, so you don't have to do
 | Type                    | Size       |
 |-------------------------|------------|
 | JsonVariant             | 8          |
-| JsonArray of N element  | 8 + 16 * N |
-| JsonObject of N element | 8 + 24 * N |
\ No newline at end of file
+| JsonArray of N element  | 8 + 12 * N |
+| JsonObject of N element | 8 + 16 * N |
+
+#### Object size on ESP8266 if `JsonFloat` is changed to `double`
+
+| Type                    | Size       |
+|-------------------------|------------|
+| JsonVariant             | 16         |
+| JsonArray of N element  | 8 + 24 * N |
+| JsonObject of N element | 8 + 32 * N |
\ No newline at end of file