update readme

ZONESTAR3D · Jan 10, 2024 · f673954 · f673954
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diff --git a/32bit/ZM3E4/flashBootloader/readme.md b/32bit/ZM3E4/flashBootloader/readme.md
@@ -6,7 +6,7 @@ You need a simply UART tool to flash the bootloader to control board, for exampl
 ### Wiring
 ![](0.jpg)
 >
-    +3.3V       <--> If you UART tool need support power from outside, connect it to your UART tool, otherwire let it float.
+    +3.3V       <--> If you UART tool need support power from outside, connect it to your UART tool, otherwise let it float.
     TX0(PA9)    <--> connect to "RXD" of the UART tool  
     RX0(PA10)   <--> connect to "TXD" of the UART tool   
     GND         <--> connect to "GND" of the UART tool