update docstring
update docstring

BubuLK/sfepy,rc/sfepy,sfepy/sfepy,lokik/sfepy,vlukes/sfepy,vlukes/sfepy,olivierverdier/sfepy,olivierverdier/sfepy,lokik/sfepy,BubuLK/sfepy,RexFuzzle/sfepy,sfepy/sfepy,lokik/sfepy,RexFuzzle/sfepy,sfepy/sfepy,rc/sfepy,BubuLK/sfepy,rc/sfepy,olivierverdier/sfepy,vlukes/sfepy,RexFuzzle/sfepy,RexFuzzle/sfepy,lokik/sfepy