Update README.md

examples/simple/distributed/README.md

@@ -3,7 +3,7 @@
 [torch.nn.parallel.DistributedDataParallel](https://pytorch.org/docs/stable/nn.html#distributeddataparallel)
 and the Pytorch multiprocess launcher script,
 [torch.distributed.launch](https://pytorch.org/docs/master/distributed.html#launch-utility).
-The use of `Amp` with distributed does not need to change from ordinary 
+The use of `Amp` with DistributedDataParallel does not need to change from ordinary 
 single-process use.  The only gotcha is that wrapping your model with `DistributedDataParallel` must
 come after the call to `amp.initialize`.  Test via
 ```bash