diff --git a/src/main/java/hyundai/softeer/orange/common/ErrorCode.java b/src/main/java/hyundai/softeer/orange/common/ErrorCode.java
index ffa709de..6d41d828 100644
--- a/src/main/java/hyundai/softeer/orange/common/ErrorCode.java
+++ b/src/main/java/hyundai/softeer/orange/common/ErrorCode.java
@@ -10,7 +10,7 @@
 public enum ErrorCode {
     // 400 Bad Request
     BAD_REQUEST(HttpStatus.BAD_REQUEST, "잘못된 요청입니다."),
-    INVALID_COMMENT(HttpStatus.BAD_REQUEST, "부정적인 표현을 사용하였습니다."),
+    INVALID_COMMENT(HttpStatus.BAD_REQUEST, "긍정적인 기대평을 작성해주세요."),
     INVALID_JSON(HttpStatus.BAD_REQUEST, "잘못된 JSON 형식입니다."),
     INVALID_URL(HttpStatus.BAD_REQUEST, "유효하지 않은 URL입니다."),
     INVALID_INPUT_EVENT_TIME(HttpStatus.BAD_REQUEST, "입력된 시간 중 일부가 조건에 맞지 않습니다."),
diff --git a/src/main/java/hyundai/softeer/orange/common/util/ConstantUtil.java b/src/main/java/hyundai/softeer/orange/common/util/ConstantUtil.java
index b7ae2240..380fdbf1 100644
--- a/src/main/java/hyundai/softeer/orange/common/util/ConstantUtil.java
+++ b/src/main/java/hyundai/softeer/orange/common/util/ConstantUtil.java
@@ -25,7 +25,7 @@ public class ConstantUtil {
     public static final String DB_TO_REDIS_LOCK = "FCFS_MANAGE_DB_TO_REDIS";
     public static final String REDIS_TO_DB_LOCK = "FCFS_MANAGE_REDIS_TO_DB";
 
-    public static final double LIMIT_NEGATIVE_CONFIDENCE = 99.5;
+    public static final double LIMIT_NEGATIVE_CONFIDENCE = 80;
     public static final int COMMENTS_SIZE = 20;
     public static final int SCHEDULED_TIME = 1000 * 60 * 60 * 2;
     public static final int SHORT_URL_LENGTH = 10;