diff --git a/backend/swagger.json b/backend/swagger.json
index c3fd03b..37b33bc 100644
--- a/backend/swagger.json
+++ b/backend/swagger.json
@@ -1409,12 +1409,12 @@
 					"wonMapsTeamA": {
 						"type": "number",
 						"format": "double",
-						"description": "number of maps team a has won including a their advantage (if given)"
+						"description": "number of maps team a has won including its advantage (if given)"
 					},
 					"wonMapsTeamB": {
 						"type": "number",
 						"format": "double",
-						"description": "number of maps team b has won including a their advantage (if given)"
+						"description": "number of maps team b has won including its advantage (if given)"
 					},
 					"winnerTeam": {
 						"allOf": [
diff --git a/common/types/events.ts b/common/types/events.ts
index 1413aa6..55271c7 100644
--- a/common/types/events.ts
+++ b/common/types/events.ts
@@ -63,9 +63,9 @@ export interface MapEndEvent extends BaseEvent {
 
 export interface MatchEndEvent extends BaseEvent {
 	type: 'MATCH_END';
-	/** number of maps team a has won including a their advantage (if given) */
+	/** number of maps team a has won including its advantage (if given) */
 	wonMapsTeamA: number;
-	/** number of maps team b has won including a their advantage (if given) */
+	/** number of maps team b has won including its advantage (if given) */
 	wonMapsTeamB: number;
 	/** winner of the match or null if it's a draw */
 	winnerTeam: ITeam | null;