Fixed a typo.

README.md

@@ -24,7 +24,7 @@ MVAPICH2 module changes.
 samples to illustrate proper data-distributed training with Horovod, i.e., a distribution mechanism 
 where the training data is distributed instead of epochs. Further information is available in the 
 directory-local `README.md`.
-*  **September 02, 2019:** Even though PyTorch is available as as system-wide module on the JSC supercomputers, all PyTorch 
+*  **September 02, 2019:** Even though PyTorch is available as a system-wide module on the JSC supercomputers, all PyTorch 
 examples have been removed from this tutorial. This is due to the fact that the tutorial
 developers are not currently working with PyTorch, and are therefore not in a position to provide
 support for PyTorch related issues.