Merge pull request #89821 from mburke5678/mco-garbage-collect-confirm

OCPBUGS:42377 Description of --confirm flag is incorrect

Author: mburke5678

modules/machineconfig-garbage-collect-removing.adoc

@@ -44,7 +44,7 @@ where:
 
 `--count`:: Optional: Specifies the maximum number of unused rendered machine configs you want to delete, starting with the oldest.
 
-`--confirm`:: Optional: Indicate that pruning should occur, instead of performing a dry-run.
+`--confirm`:: Indicates that pruning should occur, instead of performing a dry-run.
 
 `--pool-name`:: Optional: Specifies the machine config pool from which you want to delete the machine. If not specified, all the pools are evaluated.
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