fix url markdown (#173)

Author: dgrove-oss

setup.KubeConEU25/README.md

@@ -810,7 +810,7 @@ to run a job that uses [PyTorch](https://pytorch.org) to train a machine learnin
 
 <details>
 
-This example was constructed by converting a [PyTorch tutorial on FSDP]((https://pytorch.org/tutorials/intermediate/FSDP_tutorial.html))
+This example was constructed by converting a [PyTorch tutorial on FSDP](https://pytorch.org/tutorials/intermediate/FSDP_tutorial.html)
 into a KubeFlow Trainer [notebook](./sample-jobs/pytorch-training.ipynb) that we used to generate
 the yaml for a `PyTorchJob`.  The YAML generated by running the notebook was then put inside an
 `AppWrapper` using MLBatch's [awpack tool](../tools/appwrapper-packager/awpack.py) to produce the final YAML