Make EventArgs documentation more consistent.

Jellyfin.Data/Events/System/PendingRestartEventArgs.cs

@@ -3,7 +3,7 @@
 namespace Jellyfin.Data.Events.System
 {
     /// <summary>
-    /// An event that fires when there is a pending restart.
+    /// An event that occurs when there is a pending restart.
     /// </summary>
     public class PendingRestartEventArgs : EventArgs
     {