Update src/content/docs/durable-objects/api/alarms.mdx

Co-authored-by: justin-mp <[email protected]>

Author: Oxyjun

src/content/docs/durable-objects/api/alarms.mdx

@@ -39,7 +39,7 @@ Alarms can be used to build distributed primitives, like queues or batching of w
 
 - <code>getAlarm()</code>: <Type text ='number | null' />
 
-  - If there is an alarm set, then return the currently set alarm time in number of milliseconds elapsed since the UNIX epoch. Otherwise, return `null`.
+  - If there is an alarm set, then return the currently set alarm time as the number of milliseconds elapsed since the UNIX epoch. Otherwise, return `null`.
 
 ### setAlarm