chore: Rectify output details with filenames

Author: JanefrancessC

individual-shell-tools/wc/script-02.sh

@@ -4,4 +4,4 @@ set -euo pipefail
 
 # TODO: Write a command to output the number of lines in the file helper-files/helper-3.txt.
 # The output should include the number 3. The output should not include the number 19.
-wc -l ../helper-files/helper-3.txt
+wc -l < ../helper-files/helper-3.txt