Update CHANGELOG.md

Co-authored-by: ananthsub <[email protected]>

Author: 2 people

CHANGELOG.md

@@ -16,7 +16,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 ### Changed
 
 - Changed `LSFEnvironment` to use `LSB_DJOB_RANKFILE` environment variable instead of `LSB_HOSTS` for determining node rank and main address ([#10825](https://github.com/PyTorchLightning/pytorch-lightning/pull/10825))
-- Disbled sampler replacement when using `IterableDataset` ([#11507](https://github.com/PyTorchLightning/pytorch-lightning/pull/11507))
+- Disabled sampler replacement when using `IterableDataset` ([#11507](https://github.com/PyTorchLightning/pytorch-lightning/pull/11507))
 
 
 ## [1.5.8] - 2022-01-05