Update description of disk size alert
Actually, it retitles the didsk size alert, which now accurately
describes what this alert is for.
@@ -201,7 +201,7 @@ scraping statistics used as part of the monitoring stack.
warning at 12 hours and goes critical after 24.
- `PGConnPerc`: Indicates that there are too many connection slots being used.
Issues a warning at 75% and goes critical above 90%.
-- `PGDBSize`: Indicates that a PostgreSQL database is too large and could be in
+- `PGDiskSize`: Indicates that a PostgreSQL database is too large and could be in
danger of running out of disk space. Issues a warning at 75% and goes critical
at 90%.
- `PGReplicationByteLag`: Indicates that a replica is too far behind a primary
