diff --git a/src/main/java/com/example/nexus/app/feedback/service/FeedbackService.java b/src/main/java/com/example/nexus/app/feedback/service/FeedbackService.java
index 3d9df19..f1e99c3 100644
--- a/src/main/java/com/example/nexus/app/feedback/service/FeedbackService.java
+++ b/src/main/java/com/example/nexus/app/feedback/service/FeedbackService.java
@@ -136,7 +136,7 @@ public FeedbackResponse submitFeedback(FeedbackSubmitRequest request, Long userI
                 .ifPresent(feedbackDraftRepository::delete);
 
         if (participation.isApproved()) {
-            participation.complete();
+            participation.completeTest();
             participationRepository.save(participation);
             log.info("피드백 제출로 인한 참여 완료 처리: participationId={}, status={}", 
                     participation.getId(), participation.getStatus());
diff --git a/src/main/java/com/example/nexus/app/participation/domain/Participation.java b/src/main/java/com/example/nexus/app/participation/domain/Participation.java
index a303d4b..6427db9 100644
--- a/src/main/java/com/example/nexus/app/participation/domain/Participation.java
+++ b/src/main/java/com/example/nexus/app/participation/domain/Participation.java
@@ -131,6 +131,7 @@ public void reject() {
         this.approvedAt = LocalDateTime.now();
     }
 
+    // 모집자가 테스터 피드백까지 받은 후 최종 완료 처리 상태
     public void complete() {
         this.status = ParticipationStatus.COMPLETED;
         this.completedAt = LocalDateTime.now();
@@ -167,6 +168,7 @@ public boolean isPaid() {
         return this.isPaid;
     }
 
+    // 참여자의 테스트 참여 완료 처리 (피드백 제출)
     public void completeTest() {
         if (!isApproved()) {
             throw new GeneralException(ErrorStatus.PARTICIPATION_NOT_APPROVED);
diff --git a/src/main/java/com/example/nexus/app/participation/domain/ParticipationStatus.java b/src/main/java/com/example/nexus/app/participation/domain/ParticipationStatus.java
index a1612ad..98d5b51 100644
--- a/src/main/java/com/example/nexus/app/participation/domain/ParticipationStatus.java
+++ b/src/main/java/com/example/nexus/app/participation/domain/ParticipationStatus.java
@@ -14,9 +14,11 @@ public enum ParticipationStatus {
     @Schema(description = "진행중")
     APPROVED("진행중"),
 
+    // 참여자의 테스트 완료 (피드백 제출)
     @Schema(description = "테스트 완료")
     TEST_COMPLETED("테스트 완료"),
 
+    // 모집자가 확인 후 최종 테스트 완료 및 지급 대기 상태
     @Schema(description = "지급 대기")
     COMPLETED("지급 대기"),