User talk:ClaudioTorresResendeCJPII

August 2020
Hello, I'm Materialscientist. I noticed that in this edit to Luhn algorithm, you removed content without adequately explaining why. In the future, it would be helpful to others if you described your changes to Wikipedia with an edit summary. If this was a mistake, don't worry, the removed content has been restored. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thank you. Materialscientist (talk) 15:18, 23 August 2020 (UTC)

Please refrain from making test edits in Wikipedia pages, such as those you made to Luhn algorithm, even if you intend to fix them later. Your edits have been reverted. If you would like to experiment again, please use your sandbox. Thank you. --Bamyers99 (talk) 20:46, 23 August 2020 (UTC)