fix documentation
fix documentation

Change-Id: I1e99c7a6ccb6429eb4871fec0857b1a29e5b025a

genric/hbp-collaboratory-sphinx-theme,HumanBrainProject/hbp-collaboratory-sphinx-theme,HumanBrainProject/hbp-sphinx-theme,HumanBrainProject/hbp-collaboratory-sphinx-theme,genric/hbp-collaboratory-sphinx-theme,HumanBrainProject/hbp-sphinx-theme,HumanBrainProject/hbp-collaboratory-sphinx-theme,HumanBrainProject/hbp-sphinx-theme