docs(toolchain): correct NEP description

Author: QuantumMisaka

toolchain/README.md

@@ -193,7 +193,7 @@ Mix online and offline packages as needed - the toolchain automatically detects
 | LibComm | master | EXX calculations | GPL-3.0 | Install |
 | LibTorch | 2.1.2 / 1.12.1 | MLALGO support | BSD-3-Clause | Optional |
 | LibNPY | 1.0.1 / 1.0.1 | NumPy I/O | MIT | Optional |
-| NEP | main | Neural network potential | MIT | Optional |
+| NEP | main | Neuroevolution potential | MIT | Optional |
 
 Also, [Intel-oneAPI](https://www.intel.cn/content/www/cn/zh/developer/tools/oneapi/toolkits.html) and AMD [AOCC](https://www.amd.com/zh-cn/developer/aocc.html) and [AOCL](https://www.amd.com/zh-cn/developer/aocl.html) are supported in toolchain by setting them to system option, but one should install them manually by server administrator.