Update README.md

README.md

@@ -151,7 +151,7 @@ for **Black-Box Optimization** (though proper benchmarking is crucial for BBO).
       (**[R1ES](https://tinyurl.com/2jh7vkm7)**)
       [[Li&Zhang, 2018, TEVC](https://ieeexplore.ieee.org/document/8080257),
       [Li&Zhang, 2016, PPSN](https://link.springer.com/chapter/10.1007/978-3-319-45823-6_70)]
-    * ![lso](https://img.shields.io/badge/***-lso-orange.svg) Cholesky-CMA-ES-2016
+  * ![lso](https://img.shields.io/badge/***-lso-orange.svg) Cholesky-CMA-ES-2016
     (**[CCMAES2016](https://tinyurl.com/yr4zf5b8)**)
     [[Krause et al., 2016, NeurIPS](https://tinyurl.com/4f89mn7n)]
     * ![lso](https://img.shields.io/badge/***-lso-orange.svg) (1+1)-Active-Cholesky-CMA-ES-2015
@@ -161,7 +161,7 @@ for **Black-Box Optimization** (though proper benchmarking is crucial for BBO).
       (**[OPOA2010](https://github.com/Evolutionary-Intelligence/pypop/blob/main/pypop7/optimizers/es/opoa2010.py)**)
       [[Arnold&Hansen, 2010, GECCO](https://dl.acm.org/doi/abs/10.1145/1830483.1830556),
       [Jastrebski&Arnold, 2006, CEC](https://ieeexplore.ieee.org/abstract/document/1688662)]
-  * ![lso](https://img.shields.io/badge/***-lso-orange.svg) Cholesky-CMA-ES-2009
+    * ![lso](https://img.shields.io/badge/***-lso-orange.svg) Cholesky-CMA-ES-2009
     (**[CCMAES2009](https://github.com/Evolutionary-Intelligence/pypop/blob/main/pypop7/optimizers/es/ccmaes2009.py)**)
     [[Suttorp et al., 2009, MLJ](https://link.springer.com/article/10.1007/s10994-009-5102-1)]
     * ![lso](https://img.shields.io/badge/***-lso-orange.svg) (1+1)-Cholesky-CMA-ES-2009