Update notebooks/README.md

Co-authored-by: thuiop <[email protected]>

notebooks/README.md

@@ -4,7 +4,7 @@ This folder contains various notebooks demonstrating the features of the Blendin
 
 We advise you to follow the notebooks by order of difficulty :
 - the intro notebook contains a general introduction to BTK and demonstrates most of the features
-- the cosmos, and scarlet notebooks showcase some specific uses of BTK, for generating images using galaxies from the COSMOS dataset and for making measurements with [SCARLET](https://github.com/pmelchior/scarlet) respectively.
+- the cosmos and scarlet notebooks showcase some specific uses of BTK, for generating images using galaxies from the COSMOS dataset and for making measurements with [SCARLET](https://github.com/pmelchior/scarlet) respectively.
 - the multi and custom tutorials introduce advanced features of BTK, including how to customize various parts of BTK for your needs.
 
 **NOTE:** Some of the interactive features in the notebooks work only in standard jupyter notebooks and not in jupyterlab.