Update README.md

Author: dsambit

README.md

@@ -15,9 +15,9 @@ DFT-FE code builds on top of the deal.II library for everything that has to do w
 The steps to install the necessary dependencies and DFT-FE itself are described in the *Installation* section of the DFT-FE manual (download the release version manual [here](https://github.com/dftfeDevelopers/dftfe/blob/manual/manual-release1.2.pdf)). 
 
 We have created several shell based installation scripts for the current release version of DFT-FE (`release(*)` branch) on various machines:
-  - [OLCF Frontier](https://github.com/dftfeDevelopers/install_DFTFE/tree/frontierRelease)
-  - [NERSC Perlmutter](https://github.com/dftfeDevelopers/install_DFTFE/tree/perlmutterRelease)
-  - [UMICH Greatlakes](https://github.com/dftfeDevelopers/install_DFTFE/tree/greatlakesRelease)
+  - [OLCF Frontier](https://github.com/dftfeDevelopers/install_DFTFE/tree/frontierCurrentRelease)
+  - [NERSC Perlmutter](https://github.com/dftfeDevelopers/install_DFTFE/tree/perlmutterCurrentRelease)
+  - [UMICH Greatlakes](https://github.com/dftfeDevelopers/install_DFTFE/tree/greatlakesCurrentRelease)