diff --git a/application/src/main/java/com/pinback/application/article/usecase/command/CreateArticleUsecase.java b/application/src/main/java/com/pinback/application/article/usecase/command/CreateArticleUsecase.java
index 43425ab..5d22688 100644
--- a/application/src/main/java/com/pinback/application/article/usecase/command/CreateArticleUsecase.java
+++ b/application/src/main/java/com/pinback/application/article/usecase/command/CreateArticleUsecase.java
@@ -79,7 +79,7 @@ private void validateArticleCreation(User user, ArticleCreateCommand command) {
 			throw new ArticleAlreadyExistException();
 		}
 
-		if (TextUtil.countGraphemeClusters(command.memo()) >= MEMO_LIMIT_LENGTH) {
+		if (TextUtil.countGraphemeClusters(command.memo()) > MEMO_LIMIT_LENGTH) {
 			throw new MemoLengthLimitException();
 		}
 	}
diff --git a/application/src/main/java/com/pinback/application/article/usecase/command/UpdateArticleUsecase.java b/application/src/main/java/com/pinback/application/article/usecase/command/UpdateArticleUsecase.java
index 5dc38cf..9d84edb 100644
--- a/application/src/main/java/com/pinback/application/article/usecase/command/UpdateArticleUsecase.java
+++ b/application/src/main/java/com/pinback/application/article/usecase/command/UpdateArticleUsecase.java
@@ -48,7 +48,7 @@ public void updateArticle(User user, long articleId, ArticleUpdateCommand comman
 	}
 
 	private void validateMemoLength(String memo) {
-		if (TextUtil.countGraphemeClusters(memo) >= MEMO_LIMIT_LENGTH) {
+		if (TextUtil.countGraphemeClusters(memo) > MEMO_LIMIT_LENGTH) {
 			throw new MemoLengthLimitException();
 		}
 	}