https://issues.redhat.com/browse/ACM-13050 minor update (#7325)

removed extra plus sign

troubleshooting/acm_thanos_compactor.adoc

@@ -42,7 +42,6 @@ oc delete pod observability-thanos-compact-0 -n open-cluster-management-observab
 
 The Thanos compactor halts because you have corrupted blocks. You might receive the following output where the `01HKZYEZ2DVDQXF1STVEXAMPLE` block is corrupted:
 
-+
 [source,terminal]
 ----
 ts=2024-01-24T15:34:51.948653839Z caller=compact.go:491 level=error msg="critical error detected; halting" err="compaction: group 0@15699422364132557315: compact blocks [/var/thanos/compact/compact/0@15699422364132557315/01HKZGQGJCKQWF3XMA8EXAMPLE /var/thanos/compact/compact/0@15699422364132557315/01HKZQK7TD06J2XWGR5EXAMPLE /var/thanos/compact/compact/0@15699422364132557315/01HKZYEZ2DVDQXF1STVEXAMPLE /var/thanos/compact/compact/0@15699422364132557315/01HM05APAHXBQSNC0N5EXAMPLE]: populate block: chunk iter: cannot populate chunk 8 from block 01HKZYEZ2DVDQXF1STVEXAMPLE: segment index 0 out of range"
@@ -78,4 +77,4 @@ thanos tools bucket mark --id "01HKZYEZ2DVDQXF1STVEXAMPLE" --objstore.config="$O
 [source,bash]
 ----
 thanos tools bucket cleanup --objstore.config="$OBJSTORE_CONFIG"
-----
+----