diff --git a/docs/BDsensor.md b/docs/BDsensor.md
index c3f84e037bf3..7ffa7452313c 100644
--- a/docs/BDsensor.md
+++ b/docs/BDsensor.md
@@ -1,5 +1,5 @@
 # BDsensor 
- Bed Distance Sensor 
+  Bed Distance Sensor 
 
 **1. Connecting BDsensor** 
 
diff --git a/docs/G-Codes.md b/docs/G-Codes.md
index 65fb2629ed06..0b1bfd7bf3be 100644
--- a/docs/G-Codes.md
+++ b/docs/G-Codes.md
@@ -245,7 +245,7 @@ Read the version of BDsensor,it is usually used to
 check the connection, equals `M102 S-1`
 
 #### BDSENSOR_CALIBRATE                 
-Calibrate the BDsensor,equals `M102 S-6` 
+Calibrate the BDsensor, equals `M102 S-6` 
 
 #### BDSENSOR_READ_CALIBRATION          
 Read raw calibration data from BDsensor and check whether the installation