sunpy/sunpy — pull request #849 by dpshelio (2014-02-19 13:04:53+00:00)
Title: Fix Spectrogram examples in documentation

```min_ = x``` was changed for ```vmin = x``` in 094b0af29b9b2126f196247135611bd129640a51 to avoid conflicts with Sphinx.

This change was not propagated in the user guide.