OCPBUGS 59892 Update Description for READYMACHINECOUNT

Author: Michael Burke

modules/checking-mco-status.adoc

@@ -31,7 +31,7 @@ UPDATED:: The `True` status indicates that the MCO has applied the current machi
 UPDATING:: The `True` status indicates that the MCO is applying the desired machine config, as specified in the `MachineConfigPool` custom resource, to at least one of the nodes in that MCP. The desired machine config is the new, edited machine config. Nodes that are updating might not be available for scheduling. The `False` status indicates that all nodes in the MCP are updated.
 DEGRADED:: A `True` status indicates the MCO is blocked from applying the current or desired machine config to at least one of the nodes in that MCP, or the configuration is failing. Nodes that are degraded might not be available for scheduling. A `False` status indicates that all nodes in the MCP are ready.
 MACHINECOUNT:: Indicates the total number of machines in that MCP.
-READYMACHINECOUNT:: Indicates the total number of machines in that MCP that are ready for scheduling.
+READYMACHINECOUNT:: Indicates the number of machines that are both running the current machine config and are ready for scheduling. This count is always less than or equal to the `UPDATEDMACHINECOUNT` number.
 UPDATEDMACHINECOUNT:: Indicates the total number of machines in that MCP that have the current machine config.
 DEGRADEDMACHINECOUNT:: Indicates the total number of machines in that MCP that are marked as degraded or unreconcilable.
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