diff --git a/README.md b/README.md
index efa545b..af59cf0 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 Convert list of character to the equivalent in NATO alphabet. And it takes care
 of the capitals:
 
-	$ ./nato_converter.py abc
+	$ ./nato_converter.py aBc
 	aBc: alpha BRAVO charlie
 
 This is useful to give password orally and avoid confusion: