User talk:Gugmug11

March 2016
Hello, and welcome to Wikipedia. This is a message letting you know that one or more of your recent edits to Snell's law has been undone by an automated computer program called ClueBot NG.

Thank you. ClueBot NG (talk) 17:51, 20 March 2016 (UTC)
 * ClueBot NG makes very few mistakes, but it does happen. If you believe the change you made was constructive, please read about it, [ report it here], remove this message from your talk page, and then make the edit again.
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 * The following is the log entry regarding this message: Snell's law was changed by Gugmug11 (u) (t) ANN scored at 0.955565 on 2016-03-20T17:50:57+00:00.