Correct resistor package : 402 -> 0402

Author: PaulZC

docs/hardware_overview.md

@@ -1336,7 +1336,7 @@ There are two buttons on RTK Postcard; a ++"RST"++ and ++"BOOT"++ button.
 
 
 ## GNSS Antenna Connectors
-While there are two GNSS antenna connectors, only the SMA connector is connected to the LG290P GNSS module by default. If users wish, they can rework the *402* resistor on the antenna trace to utilize the u.fl connector instead.
+While there are two GNSS antenna connectors, only the SMA connector is connected to the LG290P GNSS module by default. If users wish, they can rework the *0402* resistor on the antenna trace to utilize the u.fl connector instead.
 
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