diff --git a/docs/en/product_documents/m5stack-core/m5core_white.md b/docs/en/product_documents/m5stack-core/m5core_white.md
index 96a978af..175bb0fc 100644
--- a/docs/en/product_documents/m5stack-core/m5core_white.md
+++ b/docs/en/product_documents/m5stack-core/m5core_white.md
@@ -22,7 +22,7 @@ The a Bottom board on the back of M5Core. It's designed for expanding gpio on M-
 | Source        | Parameter      |
 | :----------:  |:------------: |
 | <mark>ESP32</mark>         | 240MHz dual core, 600 DMIPS, 520KB SRAM, Wi-Fi, dual mode Bluetooth         |
-| Flash)          | 4M-Bytes            |
+| Flash)          | 16MB            |
 | Input          | 5V @ 500mA            |
 | Interface          | TypeC x 1, GROVE(I2C+I/0+UART) x 1            |
 | LCD          | 2 inch, 320x240 Colorful TFT LCD, ILI9342            |
diff --git a/docs/en/product_documents/m5stack-core/m5go_iot_starter_kit.md b/docs/en/product_documents/m5stack-core/m5go_iot_starter_kit.md
index ad1b0e4c..d29dc237 100644
--- a/docs/en/product_documents/m5stack-core/m5go_iot_starter_kit.md
+++ b/docs/en/product_documents/m5stack-core/m5go_iot_starter_kit.md
@@ -21,7 +21,7 @@ We also supply some courses for teaching IOT programming. If you are interesting
 | Source        | Parameter      |
 | :----------:  |:------------: |
 | <mark>ESP32</mark>         | 240MHz dual core, 600 DMIPS, 520KB SRAM, Wi-Fi, dual mode Bluetooth         |
-| Flash)          | 4M-Bytes            |
+| Flash)          | 16MB            |
 | Input          | 5V @ 500mA            |
 | Interface          | TypeC x 1, GROVE(I2C+I/0+UART) x 1            |
 | LCD          | 2 inch, 320x240 Colorful TFT LCD, ILI9342            |
diff --git a/docs/ja/product_documents/m5stack-core/m5go_iot_starter_kit.md b/docs/ja/product_documents/m5stack-core/m5go_iot_starter_kit.md
index 80aeaab5..96502c28 100644
--- a/docs/ja/product_documents/m5stack-core/m5go_iot_starter_kit.md
+++ b/docs/ja/product_documents/m5stack-core/m5go_iot_starter_kit.md
@@ -21,7 +21,7 @@
 | 項目 | 詳細 |
 |:----|:-----|
 | <mark>ESP32</mark> | 240MHz x 2 cores, 600 DMIPS, 520KB SRAM, Wi-Fi, デュアルモード Bluetooth |
-| Flash | 4MB |
+| Flash | 16MB |
 | 電源入力 | 5V @ 500mA |
 | インターフェース | Type-C x 1, Grove(I2C+I/0+UART) x 1 |
 | LCD | 2 inch, 320x240 フルカラーTFT LCD, ILI9342 |