diff --git a/iidx/ezusb/driver/README.md b/iidx/ezusb/driver/README.md
index cb7077b..5d80def 100644
--- a/iidx/ezusb/driver/README.md
+++ b/iidx/ezusb/driver/README.md
@@ -20,7 +20,7 @@ Next
 * That should be it
 
 ## Installing on Windows 7, 10
-### IMPORATNT: Unsigned drivers
+### IMPORTANT: Unsigned drivers
 The driver is not signed, so you have to allow loading of unsigned drivers. One 
 method to do is this: 
 run in cmd.exe as Administrator: