diff --git a/essentials/strings/exercises/hello-interpolation/index.md b/essentials/strings/exercises/hello-interpolation/index.md
index bf56e4b06..5a6108b82 100644
--- a/essentials/strings/exercises/hello-interpolation/index.md
+++ b/essentials/strings/exercises/hello-interpolation/index.md
@@ -13,7 +13,7 @@ OK, let us greet a person once again. But this time try using string interpolati
 If you run the program, you get a prompt:
 
 ```console
-$ raku hello-concatenation.raku
+$ raku hello-interpolation.raku
 What is your name? Marek
 Hello, Marek!
 ```