There are unexpected HTML tag between "username" and "fork name", making the URLs not match what is displayed when running the commands.
There also is an unexpected HTML closing tag `</em>` which is not opened previously.
```shell
$ git remote -v
> origin https://{% data variables.command_line.codeblock %}/YOUR_USERNAME/ YOUR_FORK</em>.git (fetch)
> origin https://{% data variables.command_line.codeblock %}/YOUR_USERNAME/YOUR_FORK.git (push)
> upstream https://{% data variables.command_line.codeblock %}/ORIGINAL_OWNER/ ORIGINAL_REPOSITORY.git (fetch)
> upstream https://{% data variables.command_line.codeblock %}/ORIGINAL_OWNER/ ORIGINAL_REPOSITORY.git (push)
```
should be :
```shell
$ git remote -v
> origin https://{% data variables.command_line.codeblock %}/YOUR_USERNAME/YOUR_FORK.git (fetch)
> origin https://{% data variables.command_line.codeblock %}/YOUR_USERNAME/YOUR_FORK.git (push)
> upstream https://{% data variables.command_line.codeblock %}/ORIGINAL_OWNER/ORIGINAL_REPOSITORY.git (fetch)
> upstream https://{% data variables.command_line.codeblock %}/ORIGINAL_OWNER/ORIGINAL_REPOSITORY.git (push)
```