(DOCSP-47181) Fixes build error in v7.0. (#720)

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- [DOCSP-47181](https://jira.mongodb.org/browse/DOCSP-47181)


### Self-Review Checklist

- [ ]
[Define](https://wiki.corp.mongodb.com/display/DE/Taxonomy+tagging+instructions)
taxonomy
[values](https://wiki.corp.mongodb.com/display/DE/Docs+Taxonomy) at top
of page.
- [ ] Add genre facets (tutorial or reference), as in this [example
PR](10gen/cloud-docs#5042).
- [ ] Add programmingLanguage (if necessary).
- [ ] Add meta keywords (if necessary).
- [ ] Resolve any new warnings or errors in the build.
- [ ] Proofread for spelling and grammatical errors.
- [ ] Check staging for rendering issues.
- [ ] Confirm links are working.

Author: erabil-mdb

source/reference/api/snapshots.txt

@@ -1,3 +1,5 @@
+.. _snapshots-api:
+
 =========
 Snapshots
 =========