Chrs_old_vids_31-44.zip -

Use underscores ( _ ) instead of spaces or dashes.

Ensure "CHRS" is in all caps and "vids" is lowercase, matching the original filename exactly. CHRS_old_vids_31-44.zip

Do not include the .zip suffix in the text box. Use underscores ( _ ) instead of spaces or dashes

The "proper text" for the puzzle in the Code.org CS Principles Lossless Compression lesson is: CHRS_old_vids_31-44 CHRS_old_vids_31-44.zip