Fix path for mpich2

docs.it4i/anselm/software/numerical-libraries/hdf5.md

@@ -84,6 +84,6 @@ Load modules and compile:
     $ mpicc hdf5test.c -o hdf5test.x -Wl,-rpath=$LIBRARY_PATH $HDF5_INC $HDF5_SHLIB
 ```
 
-Run the example as [Intel MPI program](../anselm/software/mpi/running-mpich2/).
+Run the example as [Intel MPI program](../mpi/running-mpich2/).
 
 For further information, please see the website: <http://www.hdfgroup.org/HDF5/>