add note about use

xvoland · Nov 3, 2023 · 6768ae7 · 6768ae7
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 # SHUFFLE-FILES
-This is a CLI tool which shuffles the files in the directory, their content, but without changing the file names
+This is a CLI tool which shuffles the files in the directory, their content, but without changing the file names.
+
+*NOTE: If the path contains subdirectories, this has no effect on them. Also, the program ignores all files that begin with a dot "."*
+
 <p align="right"><img align="center" src="https://raw.githubusercontent.com/xvoland/xvoland/main/images/qr_shuffle-files.png" alt="DOTOCA Ltd." height="50" width="50" /></a>
 </p>
 ## Install