diff --git a/Upgrading-Firmware.md b/Upgrading-Firmware.md
index 733b1cf..a27d640 100644
--- a/Upgrading-Firmware.md
+++ b/Upgrading-Firmware.md
@@ -4,7 +4,7 @@ If you run into issues with flashing the firmware this is usually down to issues
 # Windows
 
 Upgrading on Windows works following the published Miniware guide.
-Please note that you need to use the windows explorer for file copying. Using Terracopy, or other explorer replacements will make it fail.
+Please note that you need to use the windows explorer for file copying. Using Teracopy, or other explorer replacements will make it fail.
 
 1. Hold the button closest to the tip, and plug in the USB to the computer.
 2. The unit will appear as a USB drive.