Update collector/pg_statio_user_indexes.go

Co-authored-by: Ben Kochie <superq@gmail.com>
Signed-off-by: Felix Yuan <felix.yuan@reddit.com>

Author: Sticksman

collector/pg_statio_user_indexes.go

@@ -36,7 +36,7 @@ func NewPGStatioUserIndexesCollector(config collectorConfig) (Collector, error)
 
 var (
 	statioUserIndexesIdxBlksRead = prometheus.NewDesc(
-		prometheus.BuildFQName(namespace, statioUserIndexesSubsystem, "idx_blks_read"),
+		prometheus.BuildFQName(namespace, statioUserIndexesSubsystem, "idx_blks_read_total"),
 		"Number of disk blocks read from this index",
 		[]string{"schemaname", "relname", "indexrelname"},
 		prometheus.Labels{},