get-started: fix typo (#23406)

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## Description

Fixed typo.

## Related issues or tickets

https://docker.slack.com/archives/C04BMTUC41E/p1757683181769229

## Reviews

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- [ ] Editorial review

Signed-off-by: Craig <[email protected]>

Author: craig-osterhout

content/get-started/docker-concepts/the-basics/what-is-an-image.md

@@ -12,7 +12,7 @@ aliases:
 
 ## Explanation
 
-Seeing a [container](./what-is-a-container.md) is an isolated process, where does it get its files and configuration? How do you share those environments?
+Seeing as a [container](./what-is-a-container.md) is an isolated process, where does it get its files and configuration? How do you share those environments?
 
 That's where container images come in. A container image is a standardized package that includes all of the files, binaries, libraries, and configurations to run a container.