diff --git a/README.md b/README.md
index c3fa2e2..8cf0545 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # Navigation computer of the SS Probably Fine
 
 Computes flight plans for the *SS Probably Fine*: route, distance,
-travel time, and the amout of fuel required.
+travel time, and the amount of fuel required.
 
 ```console
 $ python3 nav.py mars