CNV-22128: Fix for bandwidthPerMigration default value

Author: danielclowers

modules/virt-live-migration-limits-reftable.adoc

@@ -22,7 +22,7 @@
 
 |`bandwidthPerMigration`
 |Bandwidth limit of each migration, in MiB/s.
-|64Mi
+|0 ^[1]^
 
 |`completionTimeoutPerGiB`
 |The migration is canceled if it has not completed in this time, in seconds
@@ -36,3 +36,7 @@ not completed migration in 4800 seconds. If the `Migration Method` is
 time, in seconds.
 |150
 |===
+[.small]
+--
+1. The default value of `0` is unlimited.
+--