diff --git a/exercises/UNIX_HPC_exercise_instructions.md b/exercises/UNIX_HPC_exercise_instructions.md
index 26d7422c8ef47c1833aa4ed682c8840ae4186b52..740136de3aa9c1d8b816df59588d1287befe02f7 100644
--- a/exercises/UNIX_HPC_exercise_instructions.md
+++ b/exercises/UNIX_HPC_exercise_instructions.md
@@ -161,7 +161,7 @@
 
 4. Moving files:
    ```sh
-   mv ompA_short_ref.fasta intro_to_unix/
+   mv ompA_ref_short.fasta intro_to_unix/
    ll intro_to_unix/ 
    ```