diff --git a/docs/en/product_documents/m5stack-core/m5core_basic.md b/docs/en/product_documents/m5stack-core/m5core_basic.md
index e9457b90..d87c1184 100644
--- a/docs/en/product_documents/m5stack-core/m5core_basic.md
+++ b/docs/en/product_documents/m5stack-core/m5core_basic.md
@@ -19,7 +19,7 @@ The a Bottom board on the back of M5Core. It's designed for expanding gpio on M-
| Source | Parameter |
| :----------: |:------------: |
| ESP32 | 240MHz dual core, 600 DMIPS, 520KB SRAM, Wi-Fi, dual mode Bluetooth |
-| Flash) | 4M-Bytes |
+| Flash | 4M-Bytes |
| 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/m5core_gray.md b/docs/en/product_documents/m5stack-core/m5core_gray.md
index d1d388e1..5a9f346f 100644
--- a/docs/en/product_documents/m5stack-core/m5core_gray.md
+++ b/docs/en/product_documents/m5stack-core/m5core_gray.md
@@ -21,7 +21,7 @@ The a Bottom board on the back of M5Core. It's designed for expanding gpio on M-
| Source | Parameter |
| :----------: |:------------: |
| ESP32 | 240MHz dual core, 600 DMIPS, 520KB SRAM, Wi-Fi, dual mode Bluetooth |
-| Flash) | 4M-Bytes |
+| Flash | 4M-Bytes |
| Input | 5V @ 500mA |
| Interface | TypeC x 1, GROVE(I2C+I/0+UART) x 1 |
| LCD | 2 inch, 320x240 Colorful TFT LCD, ILI9342 |