Update README.md

Author: chenweng1991

README.md

@@ -35,11 +35,13 @@ indistinguishable from bona fide mitochondrial mutations, and removes excess low
 
 
 ## Documentation 
+### Notebooks
 - [Getting started](./vignettes/Get_Started.ipynb)
 - [Use filter-2](./vignettes/redeem_filter2.ipynb)
-- [WIKI: redeem filtering principles and strategies](https://github.com/chenweng1991/redeemR/wiki/ReDeeM-filtering-strategies)
 - [ReDeeM paper analysis reproducibility](https://github.com/chenweng1991/redeem_reproducibility)
 - [Extended ReDeeM robustness analysis](https://github.com/chenweng1991/redeem_robustness_reproducibility)
+### WiKi
+- [redeem filtering principles and strategies](https://github.com/chenweng1991/redeemR/wiki/ReDeeM-filtering-strategies)
 
 ## Citation
 Please check out our study of human hematopoiesis using ReDeeM [Deciphering cell states and genealogies of human hematopoiesis](https://doi.org/10.1038/s41586-024-07066-z)