February 2021
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Hello, I'm Dirkbb. I noticed that you added or changed content in an article, Formaldehyde, but you didn't provide a reliable source. It's been removed and archived in the page history for now, but if you'd like to include a citation and re-add it, please do so. You can have a look at the tutorial on citing sources. If you think I made a mistake, you can leave me a message on my talk page. Thank you. Dirkbb (talk) 01:48, 26 February 2021 (UTC)
- If this is a shared IP address, and you did not make the edits referred to above, consider creating an account for yourself or logging in with an existing account so that you can avoid further irrelevant notices.
- This is a shared IP address. Edits are not subject to review on this end, so thankyou. 124.169.149.140 (talk) 04:00, 26 February 2021 (UTC)
March 2021
edit Welcome to Wikipedia. It might not have been your intention, but you recently removed maintenance templates from Vigesimal. When removing maintenance templates, please be sure to either resolve the problem that the template refers to, or give a valid reason for the removal in the edit summary. Please see Help:Maintenance template removal for further information on when maintenance templates should or should not be removed. If this was a mistake, don't worry, as your removal of this template has been reverted. Take a look at the welcome page to learn more about contributing to this encyclopedia, and if you would like to experiment, please use the sandbox. Thank you. – 108.56.139.120 (talk) 07:37, 19 March 2021 (UTC)
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