### Summary

The `get_url` module documentation has extraneous formatting in the "not" word in:
```
NTLM authentication is C(not) supported even if the GSSAPI mech for NTLM has been installed.
```
As it is a part of a sentence, I suspect the "not" here should not have any specific formatting.

### Issue Type

Documentation Report

### Component Name

get_url

### Ansible Version

```console
$ ansible --version
irrelevant
```


### Configuration

```console
$ ansible-config dump --only-changed
irrelevant
```


### OS / Environment

irrelevant

### Additional Information

irrelevant

### Code of Conduct

- [X] I agree to follow the Ansible Code of Conduct
- From Ansible 2.4 when run with C(--check), it will do a HEAD request to validate the URL but
       will not download the entire file or verify it against hashes and will report incorrect changed status.
     - For Windows targets, use the M(ansible.windows.win_get_url) module instead.
version_added: '0.6'
options:
  url:
    description:
      - HTTP, HTTPS, or FTP URL in the form (http|https|ftp)://[user[:pass]]@host.domain[:port]/path
    type: str
    required: true
  dest:
    description:
      - Absolute path of where to download the file to.
      - If C(dest) is a directory, either the server provided filename or, if
        none provided, the base name of the URL on the remote server will be
        used. If a directory, C(force) has no effect.
      - If C(dest) is a directory, the file will always be downloaded
        (regardless of the C(force) and C(checksum) option), but
        replaced only if the contents changed.
    type: path
    required: true
  tmp_dest:
    description:
      - Absolute path of where temporary file is downloaded to.
      - When run on Ansible 2.5 or greater, path defaults to ansible's remote_tmp setting
      - When run on Ansible prior to 2.5, it defaults to C(TMPDIR), C(TEMP) or C(TMP) env variables or a platform specific value.
      - U(https://docs.python.org/3/library/tempfile.html#tempfile.tempdir)
    type: path
    version_added: '2.1'
  force: