diff --git a/docs/index.md b/docs/index.md
index 1d97c81..c48d150 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -35,7 +35,7 @@ board but they should at least provide these guarantees.
 
 [Raspbian Buster] is the current latest recommended version of the standard
 Raspberry Pi operating system. [Etcher] is a useful and simple tool for
-flashing the operationg system onto the SD card which you will plug into your
+flashing the operating system onto the SD card which you will plug into your
 Raspberry Pi.
 
 [Raspberry Pi]: https://www.raspberrypi.org/