Update links

doc.zih.tu-dresden.de/docs/index.md

@@ -34,10 +34,10 @@ Please also find out the other ways you could contribute in our
 * **2023-11-25** [Data transfer available for Barnard via Dataport Nodes](data_transfer/dataport_nodes.md)
 * **2023-11-14** [End of life of `scratch` and `ssd` filesystems is January 3 2024](data_lifecycle/file_systems.md)
 * **2023-11-14** [End of life of Taurus system is December 11 2023](jobs_and_resources/hardware_overview.md)
-* **2023-11-14** [Update on maintenance dates and work w.r.t. redesign of HPC systems](jobs_and_resources/hardware_overview_2023.md)
-* **2023-11-06** [Substantial update on "How-To: Migration to Barnard"](jobs_and_resources/migration_to_barnard.md)
-* **2023-10-16** [Open MPI 4.1.x  - Workaround for MPI-IO Performance Loss](jobs_and_resources/mpi_issues/#performance-loss-with-mpi-io-module-ompio)
-* **2023-06-01** [New hardware and complete re-design](jobs_and_resources/architecture_2023.md)
+* **2023-11-14** [Update on maintenance dates and work w.r.t. redesign of HPC systems](jobs_and_resources/hardware_overview.md)
+* **2023-11-06** [Substantial update on "How-To: Migration to Barnard"](jobs_and_resources/barnard.md)
+* **2023-10-16** [Open MPI 4.1.x  - Workaround for MPI-IO Performance Loss](jobs_and_resources/mpi_issues.md#performance-loss-with-mpi-io-module-ompio)
+* **2023-06-01** [New hardware and complete re-design](jobs_and_resources/hardware_overview.md#architectural-re-design-2023)
 * **2023-01-04** [New hardware: NVIDIA Arm HPC Developer Kit](jobs_and_resources/arm_hpc_devkit.md)
 
 ## Training and Courses