Fix typo in atlas list (#431)

README.md

@@ -29,7 +29,7 @@ A number of atlases are in development, but those available currently are:
 | [Allen Human Brain Atlas](https://www.brain-map.org) | 500 micron | Adult | MRI | allen_human_500um
 | [Max Planck Zebrafish Brain Atlas](http://fishatlas.neuro.mpg.de) | 1 micron | 6-dpf | FISH | mpin_zfish_1um
 | [Enhanced and Unified Mouse Brain Atlas](https://kimlab.io/brain-map/atlas/) | 10, 25, 50, and 100 micron | P56 | STPT | kim_mouse_10um, kim_mouse_25um, kim_mouse_50um, kim_mouse_100um
-| [Smoothed version of the Kim et al. mouse reference atlas](https://doi.org/10.1016/j.celrep.2014.12.014) | 10, 25, 50 and 100 micron | P56 | STPT | osten_mouse_10um,osten_mouse_25um, kim_mouse_50um, kim_mouse_100um
+| [Smoothed version of the Kim et al. mouse reference atlas](https://doi.org/10.1016/j.celrep.2014.12.014) | 10, 25, 50 and 100 micron | P56 | STPT | osten_mouse_10um, osten_mouse_25um, osten_mouse_50um, osten_mouse_100um
 | [Gubra's LSFM mouse brain atlas](https://doi.org/10.1007/s12021-020-09490-8) | 20 micron | 8 to 10 weeks post natal | LSFM | perens_lsfm_mouse_20um
 | [3D version of the Allen mouse spinal cord atlas](https://doi.org/10.1101/2021.05.06.443008) | 20 x 10 x 10 micron | Adult | Nissl | allen_cord_20um
 | [AZBA: A 3D Adult Zebrafish Brain Atlas](https://doi.org/10.1101/2021.05.04.442625) | 4 micron | 15-16 weeks post natal | LSFM | azba_zfish_4um