Fixed typo in path in text to match path in code solution (SkafteNick…

…i#347)

Co-authored-by: Nicki Skafte Detlefsen <skaftenicki@gmail.com>

s1_development_environment/deep_learning_software.md

@@ -172,7 +172,7 @@ pip install gdown
 gdown --folder 'https://drive.google.com/drive/folders/1ddWeCcsfmelqxF8sOGBihY9IU98S9JRP?usp=sharing'
 ```
 
-The data should be placed in a folder subfolder called `data/corruptedmnist` in the root of the project. Your overall
+The data should be placed in a folder subfolder called `data/corruptmnist` in the root of the project. Your overall
 task is the following:
 
 > **Implement an MNIST neural network that achieves at least 85% accuracy on the test set.**