Improved comment for CalculateLevel

Libraries/SPTarkov.Server.Core/Services/PlayerService.cs

@@ -9,10 +9,13 @@ public class PlayerService(
 )
 {
     /// <summary>
-    /// Get level of player
+    /// Calculates the current level of a player based on their accumulated experience points.
+    /// This method iterates through an experience table to determine the highest level achieved
+    /// by comparing the player's experience against cumulative thresholds.
     /// </summary>
     /// <param name="pmcData"> Player profile </param>
-    /// <returns> Level of the player </returns>
+    /// <returns> The calculated level of the player as an integer, or null if the level cannot be determined.
+    /// This value is also assigned to <see cref="PmcData.Info.Level"/> within the provided profile. </returns>
     public int? CalculateLevel(PmcData pmcData)
     {
         var accExp = 0;