The paper 0705.0332v1 seeks to study the effect of non-trivial spatial curvature in homogeneous and isotropic models .
We note that the space considered is not homogeneous , and that the equations of motion used are inconsistent with the metric .
Also , we explain why the spatial curvature of homogeneous and isotropic spacetimes always evolves like 1 / a ^ { 2 } , contrary to the central assumption of 0705.0332v1 .