Correct capitalization

Author: Ruchika-mittal01

defender-endpoint/live-response.md

@@ -122,7 +122,7 @@ The dashboard also gives you access to:
 ## Initiate a live response session on a device
 
 > [!NOTE]
-> Live response actions initiated from the Device page are not available in the machineActions API.
+> Live response actions initiated from the Device page are not available in the MachineActions API.
 
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