diff --git a/Buying-a-used-hoverboard.md b/Buying-a-used-hoverboard.md
index 1af4296..a308367 100644
--- a/Buying-a-used-hoverboard.md
+++ b/Buying-a-used-hoverboard.md
@@ -2,7 +2,7 @@
### Compatibility with the firmware
It's very hard to know if an hoverboard has a controller supported by this firmware, there are too many brands/models.
Usually the older models have single/mainboards.
-You can ask the seller to open the hoverboard and send you a pictures, but he will most probably accept only if the hoverboard is defective.
+You can ask the seller to open the hoverboard and send you pictures, but he will most probably accept only if the hoverboard is defective.
Ask him what's the chip model/brand to verify if it's [compatible](https://github.com/EFeru/hoverboard-firmware-hack-FOC/wiki/Firmware-Compatibility#mainboard) with this firmware.
### The hoverboard turns ON