diff --git a/docs/how-to/backup-your-databases.md b/docs/how-to/backup-your-databases.md
index fea3f35..bf2c7b6 100644
--- a/docs/how-to/backup-your-databases.md
+++ b/docs/how-to/backup-your-databases.md
@@ -189,8 +189,9 @@ system.
would like to backup databases only and not source directories, you can omit
`source_directories` entirely.
-In older versions of borgmatic, instead specify an empty `source_directories`
-value, as it is a mandatory option prior to version 1.7.1:
+Prior to version 1.7.1 In older
+versions of borgmatic, instead specify an empty `source_directories` value, as
+it is a mandatory option there:
```yaml
location:
diff --git a/docs/how-to/deal-with-very-large-backups.md b/docs/how-to/deal-with-very-large-backups.md
index 5beb9f2..d614261 100644
--- a/docs/how-to/deal-with-very-large-backups.md
+++ b/docs/how-to/deal-with-very-large-backups.md
@@ -137,6 +137,23 @@ If you want to temporarily ignore your configured frequencies, you can invoke
`borgmatic check --force` to run checks unconditionally.
+### Running only checks
+
+New in version 1.7.1 If you
+would like to only run consistency checks without creating backups (for
+instance with the `check` action on the command-line), you can omit
+the `source_directories` option entirely.
+
+Prior to version 1.7.1 In older
+versions of borgmatic, instead specify an empty `source_directories` value, as
+it is a mandatory option there:
+
+```yaml
+location:
+ source_directories: []
+```
+
+
### Disabling checks
If that's still too slow, you can disable consistency checks entirely,