diff --git a/docs/en/core/face_kit.md b/docs/en/core/face_kit.md
index 515eacab..5beb02bc 100644
--- a/docs/en/core/face_kit.md
+++ b/docs/en/core/face_kit.md
@@ -79,10 +79,6 @@ The newly-produced M5Core replaces the screen with better display performance an
- Product Size:108.2mm x 54.2mm x 18.7mm
- Product weight:264.6g
-
-### Faces Encoder
-
-
## Include
- 1x GRAY M5Stack Controller(M5Core)
diff --git a/docs/en/core/m5go.md b/docs/en/core/m5go.md
index 3c400bc7..b1da2e35 100644
--- a/docs/en/core/m5go.md
+++ b/docs/en/core/m5go.md
@@ -35,7 +35,6 @@ The newly-produced M5Core replaces the screen with better display performance an
- Speaker, 3 Buttons, LCD(320*240), 1 Reset
- 2.4G Antenna: Proant 440
- TF card slot (16G Maximum size)
-- Battery Socket & 150 mAh Lipo Battery
- Extendable Pins & Holes
- Grove Port
- M-Bus Socket & Pins
diff --git a/docs/en/core/m5go_lite.md b/docs/en/core/m5go_lite.md
index dcf8aafe..c4d7c3dc 100644
--- a/docs/en/core/m5go_lite.md
+++ b/docs/en/core/m5go_lite.md
@@ -37,7 +37,6 @@ The newly-produced M5Core replaces the screen with better display performance an
- Speaker, 3 Buttons, LCD(320*240), 1 Reset
- 2.4G Antenna: Proant 440
- TF card slot (16G Maximum size)
-- Battery Socket & 150 mAh Lipo Battery
- Extendable Pins & Holes
- Grove Port
- M-Bus Socket & Pins
diff --git a/docs/en/module/gsm.md b/docs/en/module/gsm.md
index a6219736..65324b02 100644
--- a/docs/en/module/gsm.md
+++ b/docs/en/module/gsm.md
@@ -60,9 +60,6 @@ Product Feature:
- M2M industrial
- Wireless communication
- Industrial Application
-
## Links
@@ -72,7 +69,7 @@ Product Feature:
## Schematic
-- **Sche** - [GSM Module](https://github.com/m5stack/M5-Schematic/blob/master/Modules/module_gsm_sch.pdf)
+- [GSM Module](https://github.com/m5stack/M5-Schematic/blob/master/Modules/module_gsm_sch.pdf)
## EasyLoader
@@ -141,18 +138,6 @@ void loop() {
M5Stack
GPIO16
GPIO17
5V
GND
-
GSM Module
RX
TX
5V
GND
+
Module GSM
RX
TX
5V
GND
-
-
-
-
-
-
diff --git a/docs/en/module/lte.md b/docs/en/module/lte.md
index af5fbfc3..a0964b2d 100644
--- a/docs/en/module/lte.md
+++ b/docs/en/module/lte.md
@@ -8,7 +8,7 @@
## Description
-This is a wireless communication module, integrated an **NB-IOT** M8321 module that released by China Mobile, provided TD-LTE/FDD-LTE/WCDMA/TD- SCDMA/GSM/GPRS/EDGE Frequency Band and LCC+LGA package type.
+This is a wireless communication module, integrated **M8321** module that released by China Mobile, provided TD-LTE/FDD-LTE/WCDMA/TD- SCDMA/GSM/GPRS/EDGE Frequency Band and LCC+LGA package type.
It has integrated plentiful Internet protocols, field standard interface, and functions, supported WindowsXP,Windows7,Windows8,Windows10,Linux and Android USB driver.
-
-
-
-
diff --git a/docs/en/module/nb-iot.md b/docs/en/module/nb-iot.md
index 07e074ed..c8bd07a6 100644
--- a/docs/en/module/nb-iot.md
+++ b/docs/en/module/nb-iot.md
@@ -8,7 +8,7 @@
## Description
-This is a wireless communication module, integrated an **NB-IOT** M5311 module that produced by China Mobile. The dimension if M5311 is 16mm * 18mm * 2.2mm, which is very tiny, and gives convenience to the user of more flexible dimension requirement.
+This is a wireless communication module, integrated an **NB-IoT** M5311 module that produced by China Mobile. The dimension if M5311 is 16mm * 18mm * 2.2mm, which is very tiny, and gives convenience to the user of more flexible dimension requirement.
package with LCC allows quick production through standard SMT, which provides a more reliable connection method and performance on the extreme environment.
@@ -103,7 +103,7 @@ only for reference
## Schematic
-- **Sche** - [NB-IoT Module](https://github.com/m5stack/M5-Schematic/blob/master/Modules/module_nb_iot_sch.pdf)
+- [NB-IoT Module](https://github.com/m5stack/M5-Schematic/blob/master/Modules/module_nb_iot_sch.pdf)
## EasyLoader
@@ -174,17 +174,10 @@ void loop() {