diff --git a/Memory-model.md b/Memory-model.md
index b59584d..6266431 100644
--- a/Memory-model.md
+++ b/Memory-model.md
@@ -70,4 +70,11 @@ Memory is released in `DynamicJsonBuffer`'s destructor, so you don't have to do
 | Type                    | Size       |
 |-------------------------|------------|
 | JsonArray of N element  | 4 + 8 * N  |
-| JsonObject of N element | 4 + 10 * N |
\ No newline at end of file
+| JsonObject of N element | 4 + 10 * N |
+
+#### Object size on ESP8266
+
+| Type                    | Size       |
+|-------------------------|------------|
+| JsonArray of N element  | 8 + 24 * N |
+| JsonObject of N element | 8 + 32 * N |
\ No newline at end of file