diff --git a/src/main/kotlin/wanijo/wanijo2/domain/document.kt b/src/main/kotlin/wanijo/wanijo2/domain/document.kt
index 18e77e5..1df27cd 100644
--- a/src/main/kotlin/wanijo/wanijo2/domain/document.kt
+++ b/src/main/kotlin/wanijo/wanijo2/domain/document.kt
@@ -47,14 +47,16 @@ interface DocumentDao: Repository<Document, DocumentId> {
         """
             UPDATE t_document
                SET name = :name,
-                   description = :description
+                   description = :description,
+                   updated_at = :updatedAt
              WHERE id = :id
         """
     )
     fun edit(
         id: DocumentId,
         name: DocumentName,
-        description: DocumentDescription
+        description: DocumentDescription,
+        updatedAt: ZonedDateTime
     )
 
     @Modifying
diff --git a/src/main/kotlin/wanijo/wanijo2/domain/handler/EditDocumentHandler.kt b/src/main/kotlin/wanijo/wanijo2/domain/handler/EditDocumentHandler.kt
index e15c33c..39bde48 100644
--- a/src/main/kotlin/wanijo/wanijo2/domain/handler/EditDocumentHandler.kt
+++ b/src/main/kotlin/wanijo/wanijo2/domain/handler/EditDocumentHandler.kt
@@ -3,6 +3,7 @@ package wanijo.wanijo2.domain.handler
 import org.springframework.stereotype.Service
 import wanijo.wanijo2.domain.DocumentDao
 import wanijo.wanijo2.domain.event.EditDocumentCommand
+import java.time.ZonedDateTime
 
 @Service
 class EditDocumentHandler(
@@ -13,7 +14,8 @@ class EditDocumentHandler(
         documentDao.edit(
             id = command.id,
             name = command.name,
-            description = command.description
+            description = command.description,
+            updatedAt = ZonedDateTime.now()
         )
     }
 
diff --git a/src/main/resources/static/stylesheet.css b/src/main/resources/static/stylesheet.css
index bc78dcd..1c6607f 100644
--- a/src/main/resources/static/stylesheet.css
+++ b/src/main/resources/static/stylesheet.css
@@ -3,7 +3,7 @@ body {
     --light-grey: #858585;
     --warning: #ce0000;
 
-    margin: 0 5rem;
+    margin: 0 3%;
     font-family: sans-serif;
 
     a:link, a:visited {
@@ -39,6 +39,7 @@ main {
 
             display: flex;
             justify-content: center;
+            flex-wrap: wrap;
 
             dd {
                 margin-left: .3rem;