User talk:1crazyhawk

March 2018
Hello, I'm Donner60. I noticed that you made a change to an article, Cluster headache, but you didn't provide a source. I’ve removed it for now, but if you’d like to include a citation to a reliable source and re-add it, please do so! If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thanks. Donner60 (talk) 02:56, 28 March 2018 (UTC)


 * As further information, please see What Wikipedia is not and Verifiability. Wikipedia is not a forum, blog, soapbox, fan site or advice site. It is an encyclopedia based on reliable, verifiable, third-party sources. It does not publish rumors, personal opinions, commentary, advocacy, original research or unsourced information likely to be changed, challenged or disputed. See also Biographies of living persons, Five Pillars, Identifying reliable sources, Citing sources, Help:Footnotes, No original research, Words to watch and Neutral point of view. For further information about contributing to Wikipedia, see: Referencing for beginners; Getting started; Introduction to Wikipedia; Simplified ruleset; Simplified Manual of Style; Help:Introduction to talk pages; Copyright Problems and Help:Contents. Thank you. Donner60 (talk) 02:57, 28 March 2018 (UTC)