diff --git a/README.md b/README.md
index e79f6a7f..403b2f6f 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ Usage
 Do a calculation:
 > amath 1.2+1.4
 
-Get an interactive promt:
+Get an interactive prompt:
 > amath shell
 
 Show version string: