Bad documentation argument for peak_top_ion_areas()

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What steps will reproduce the problem?
1. Open User_guide r199 Feb 2012
2. See page 43 (my PDF viewer says it's page 55), chapter 5.5 Peak area 
estimation

What is the expected output? What do you see instead?
I see:
area_dict = peak_top_ions_areas(intensity_matrix, peak, num_ions=10)

I should see:
area_dict = peak_top_ions_areas(intensity_matrix, peak, n_top_ions=10)

What version of the product are you using? On what operating system?
PyMS User Guide r199

Original issue reported on code.google.com by sergiol...@gmail.com on 29 Nov 2013 at 10:55