message: Fix typo in docs/generate/readme
diff: @@ -64,7 +64,7 @@ We also need to tell AutoRest what language we want our SDK to be in, which we s
  let's say we want to generate Python code. Adding this to our command line, we get
  ```
  -autorest --input=file=pets.json --python
  +autorest --input-file=pets.json --python
  ```
  In our final step, we can tell AutoRest where to output the generated SDK. By default AutoRest generates files in output folder `./generated`. However, we can
  