diff --git a/README.md b/README.md
index a3e2df8..f29886c 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ using Golang.
 General pattern to run the code is using **stdin** to pass the data file:
 
 ```sh
-go run ./day1 < ./day1/input.txt
+go run ./day1 < ./day1/example.txt
 ```
 
 Majority of solutions support `-debug` flag.