Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.

### Instruction:
Edit the following text to make it easier to read

### Input:
In the 20th centuary,developments in the fields of technology, science and medicin,applied by humans, have brought about unprecedented changes

### Response:
In the 20th century, developments in the fields of technology, science, and medicine, applied by humans, have brought about unprecedented changes.