diff --git a/src/main/java/com/back/catchmate/domain/enroll/controller/EnrollController.java b/src/main/java/com/back/catchmate/domain/enroll/controller/EnrollController.java
index 1eaae7f..0932142 100644
--- a/src/main/java/com/back/catchmate/domain/enroll/controller/EnrollController.java
+++ b/src/main/java/com/back/catchmate/domain/enroll/controller/EnrollController.java
@@ -98,10 +98,10 @@ public UpdateEnrollInfo rejectEnroll(@PathVariable Long enrollId,
         return enrollService.rejectEnroll(enrollId, userId);
     }
 
-    @GetMapping("/{enrollId}/description")
-    @Operation(summary = "보낸 신청 상세 조회 API", description = "보낸 신청의 상세 내용을 조회하는 API 입니다.")
-    public EnrollDescriptionInfo getEnrollDescriptionById(@PathVariable Long enrollId,
+    @GetMapping("/{boardId}/description")
+    @Operation(summary = "보낸 신청 상세 조회 API", description = "내가 특정 게시글에 보낸 신청의 상세 내용을 조회하는 API 입니다.")
+    public EnrollDescriptionInfo getEnrollDescriptionById(@PathVariable Long boardId,
                                                           @JwtValidation Long userId) {
-        return enrollService.getEnrollDescriptionById(enrollId, userId);
+        return enrollService.getEnrollDescriptionById(boardId, userId);
     }
 }
diff --git a/src/main/java/com/back/catchmate/domain/enroll/converter/EnrollConverter.java b/src/main/java/com/back/catchmate/domain/enroll/converter/EnrollConverter.java
index 23f448b..4310615 100644
--- a/src/main/java/com/back/catchmate/domain/enroll/converter/EnrollConverter.java
+++ b/src/main/java/com/back/catchmate/domain/enroll/converter/EnrollConverter.java
@@ -147,6 +147,7 @@ public UpdateEnrollInfo toUpdateEnrollInfo(Enroll enroll, AcceptStatus acceptSta
 
     public EnrollDescriptionInfo toEnrollDescriptionInfo(Enroll enroll) {
         return EnrollDescriptionInfo.builder()
+                .enrollId(enroll.getId())
                 .description(enroll.getDescription())
                 .build();
     }
diff --git a/src/main/java/com/back/catchmate/domain/enroll/dto/EnrollResponse.java b/src/main/java/com/back/catchmate/domain/enroll/dto/EnrollResponse.java
index 0e89646..65972c5 100644
--- a/src/main/java/com/back/catchmate/domain/enroll/dto/EnrollResponse.java
+++ b/src/main/java/com/back/catchmate/domain/enroll/dto/EnrollResponse.java
@@ -111,6 +111,7 @@ public static class CancelEnrollInfo {
     @NoArgsConstructor
     @AllArgsConstructor
     public static class EnrollDescriptionInfo {
+        private Long enrollId;
         private String description;
     }
 }
diff --git a/src/main/java/com/back/catchmate/domain/enroll/service/EnrollServiceImpl.java b/src/main/java/com/back/catchmate/domain/enroll/service/EnrollServiceImpl.java
index 641af00..2e45649 100644
--- a/src/main/java/com/back/catchmate/domain/enroll/service/EnrollServiceImpl.java
+++ b/src/main/java/com/back/catchmate/domain/enroll/service/EnrollServiceImpl.java
@@ -232,11 +232,11 @@ public UpdateEnrollInfo rejectEnroll(Long enrollId, Long userId) throws IOExcept
     }
 
     @Override
-    public EnrollResponse.EnrollDescriptionInfo getEnrollDescriptionById(Long enrollId, Long userId) {
+    public EnrollResponse.EnrollDescriptionInfo getEnrollDescriptionById(Long boardId, Long userId) {
         User user = userRepository.findById(userId)
                 .orElseThrow(() -> new BaseException(ErrorCode.USER_NOT_FOUND));
 
-        Enroll enroll = enrollRepository.findById(enrollId)
+        Enroll enroll = enrollRepository.findByUserIdAndBoardIdAndDeletedAtIsNull(user.getId(), boardId)
                 .orElseThrow(() -> new BaseException(ErrorCode.ENROLL_NOT_FOUND));
 
         return enrollConverter.toEnrollDescriptionInfo(enroll);