fix: remove surplus space (#833)

Small fix to have italic text

## Pull Request approval

You will need to get your PR approved by at least one member of the
Sourcegraph team. For reviews of docs formatting, styles, and component
usage, please tag the docs team via the #docs Slack channel.

Author: bahrmichael

docs/batch-changes/quickstart.mdx

@@ -96,7 +96,7 @@ Click **Apply** to create the batch change. You should see something like this:
 
 You've created your first Batch Change! 🎉
 
-The batch change's **changesets ** still need to be published, which means they exist only on Sourcegraph and have yet to be pushed to your code host. This is for your benefit, as you probably want to refrain from publishing these **Hello World** changesets to actively developed repositories. In the following steps, we'll prepare to publish a single test changeset.
+The batch change's **changesets** still need to be published, which means they exist only on Sourcegraph and have yet to be pushed to your code host. This is for your benefit, as you probably want to refrain from publishing these **Hello World** changesets to actively developed repositories. In the following steps, we'll prepare to publish a single test changeset.
 
 ## Publish a changeset