250909.080606.CST [skip ci] update README

Author: zaikunzhang

README.md

@@ -459,7 +459,7 @@ Zaikun Zhang](https://www.zhangzk.net).
 ### Users
 
 Some users of PRIMA are as follows (in alphabetical order). If you want your project to be listed
-here, please [open a GitHub issue](https://github.com/libprima/prima/issues)
+here, please [open a GitHub issue](https://github.com/libprima/prima/issues).
 
 - [AWS Center for Quantum Computing](https://github.com/aws-cqc/DeviceLayout.jl/blob/main/docs/src/examples/singletransmon.md)
 - [NVIDIA CUDA-QX](https://github.com/NVIDIA/cudaqx/blob/main/NOTICE)