Update README.md

README.md

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     Time-stamp: "Last modified 2021-02-08 13:46:00 mluebke"
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@@ -194,7 +194,7 @@ mpirun -n 4 ./poet --dht SimDol2D.R output
 ## About the usage of MPI_Wtime()
 
 Implemented time measurement functions uses `MPI_Wtime()`. Some important
-informations from the OpenMPI Man Page:
+information from the OpenMPI Man Page:
 
 For example, on platforms that support it, the clock_gettime() function will be
 used to obtain a monotonic clock value with whatever precision is supported on