fix docstring
fix docstring

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