User talk:David Boyd Hansen

January 2015
Hi there! Thank you for your contributions to Wikipedia.

I noticed your recent edit to Ionosphere does not have an edit summary.&#32;''Edit summaries also help distinguish legitimate edits from vandalism. Please justify (for example) any numerical changes you make.''

Edit summary content is visible in:
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Please use the edit summary to explain your reasoning for the edit, or a summary of what the edit changes. Thanks! Hertz1888 (talk) 00:16, 31 January 2015 (UTC)