diff --git a/src/day_4/tasks.md b/src/day_4/tasks.md
index 8d682e4..42ff5ca 100644
--- a/src/day_4/tasks.md
+++ b/src/day_4/tasks.md
@@ -34,7 +34,7 @@ There are 3 files and directories in this directory.
 
 ### Hints
 
-- `ls -l` shows every file or directory in the current directory on a separate line.
+- `ls -1` shows every file or directory in the current directory on a separate line.
 
 ## Task: Backup then update