diff --git a/src/main/kotlin/wanijo/wanijo2/domain/document.kt b/src/main/kotlin/wanijo/wanijo2/domain/document.kt
index 951f6eb..87eb19f 100644
--- a/src/main/kotlin/wanijo/wanijo2/domain/document.kt
+++ b/src/main/kotlin/wanijo/wanijo2/domain/document.kt
@@ -53,6 +53,11 @@ data class Document(
             updatedAt = Instant.now(),
             dateFields = dateFields.filter { it.id != fieldId }.toSet()
         )
+
+    fun updated() =
+        copy(
+            updatedAt = Instant.now()
+        )
 }
 
 @Table("T_DOCUMENT")
diff --git a/src/main/kotlin/wanijo/wanijo2/domain/handler/AssignTaggingHandler.kt b/src/main/kotlin/wanijo/wanijo2/domain/handler/AssignTaggingHandler.kt
index f3b154d..3eaa258 100644
--- a/src/main/kotlin/wanijo/wanijo2/domain/handler/AssignTaggingHandler.kt
+++ b/src/main/kotlin/wanijo/wanijo2/domain/handler/AssignTaggingHandler.kt
@@ -1,15 +1,20 @@
 package wanijo.wanijo2.domain.handler
 
 import org.springframework.stereotype.Service
+import org.springframework.transaction.annotation.Transactional
+import wanijo.wanijo2.domain.DocumentDao
 import wanijo.wanijo2.domain.DocumentTagging
 import wanijo.wanijo2.domain.DocumentTaggingDao
 import wanijo.wanijo2.domain.event.AssignTaggingCommand
+import wanijo.wanijo2.http.DocumentNotFound
 
 @Service
 class AssignTaggingHandler(
-    val taggingDao: DocumentTaggingDao
+    val taggingDao: DocumentTaggingDao,
+    val documentDao: DocumentDao
 ) {
 
+    @Transactional
     fun exec(command: AssignTaggingCommand) {
         taggingDao.save(
             DocumentTagging.between(
@@ -17,6 +22,11 @@ class AssignTaggingHandler(
                 command.tagId
             )
         )
+        documentDao.save(
+            (documentDao
+                .findById(command.documentId) ?: throw DocumentNotFound())
+                .updated()
+        )
     }
 
 }
diff --git a/src/main/kotlin/wanijo/wanijo2/domain/handler/DeleteTaggingHandler.kt b/src/main/kotlin/wanijo/wanijo2/domain/handler/DeleteTaggingHandler.kt
index 2a770f8..062c1b2 100644
--- a/src/main/kotlin/wanijo/wanijo2/domain/handler/DeleteTaggingHandler.kt
+++ b/src/main/kotlin/wanijo/wanijo2/domain/handler/DeleteTaggingHandler.kt
@@ -1,19 +1,29 @@
 package wanijo.wanijo2.domain.handler
 
 import org.springframework.stereotype.Service
+import org.springframework.transaction.annotation.Transactional
+import wanijo.wanijo2.domain.DocumentDao
 import wanijo.wanijo2.domain.DocumentTaggingDao
 import wanijo.wanijo2.domain.event.DeleteTaggingCommand
+import wanijo.wanijo2.http.DocumentNotFound
 
 @Service
 class DeleteTaggingHandler(
-    val taggingDao: DocumentTaggingDao
+    val taggingDao: DocumentTaggingDao,
+    val documentDao: DocumentDao
 ) {
 
+    @Transactional
     fun exec(command: DeleteTaggingCommand) {
         taggingDao.delete(
             command.documentId,
             command.tagId
         )
+        documentDao.save(
+            (documentDao
+                .findById(command.documentId) ?: throw DocumentNotFound())
+                .updated()
+        )
     }
 
 }
diff --git a/src/main/kotlin/wanijo/wanijo2/http/controller/ShowController.kt b/src/main/kotlin/wanijo/wanijo2/http/controller/ShowController.kt
index 7001317..5fab584 100644
--- a/src/main/kotlin/wanijo/wanijo2/http/controller/ShowController.kt
+++ b/src/main/kotlin/wanijo/wanijo2/http/controller/ShowController.kt
@@ -21,6 +21,9 @@ class ShowController(
     val tagDao: TagDao
 ) {
 
+    val markdownParser: Parser = Parser.builder().build()
+    val htmlRenderer: HtmlRenderer = HtmlRenderer.builder().build()
+
     @GetMapping("/document/{id}")
     fun show(
         model: Model,
@@ -29,11 +32,9 @@ class ShowController(
         val document = docDao.findById(id) ?: throw DocumentNotFound()
         model["document"] = document
 
-
-        val descHtml = Parser.builder().build().parse(document.description).let {
-            HtmlRenderer.builder().build().render(it)
+        model["descHtml"] = markdownParser.parse(document.description).let {
+            htmlRenderer.render(it)
         }
-        model["descHtml"] = descHtml
 
         val documentTags = tagDao.ofDocument(id)
         model["documentTags"] = documentTags.sortedBy { it.name.lowercase() }
diff --git a/src/main/resources/static/stylesheet.css b/src/main/resources/static/stylesheet.css
index 88d98c3..8fe2e26 100644
--- a/src/main/resources/static/stylesheet.css
+++ b/src/main/resources/static/stylesheet.css
@@ -74,7 +74,10 @@ main {
     .tag-block {
         border: 1px solid var(--light-grey);
         border-left: .5rem solid AccentColor;
-        padding: .2rem .2rem .2rem .5rem;
+
+        [type=submit] {
+            padding: .5rem;
+        }
     }
 
     fieldset {
@@ -132,6 +135,25 @@ form {
     }
 }
 
+form.vert {
+    display: grid;
+    grid-template-columns: 100%;
+    grid-auto-flow: row;
+    row-gap: 1rem;
+
+    label {
+        grid-column: 1;
+    }
+
+    input, textarea, select, button, .form__widget {
+        grid-column: 1;
+    }
+
+    textarea {
+        min-height: 20rem;
+    }
+}
+
 .form-link {
     display: inline;
 
diff --git a/src/main/resources/templates/new.html b/src/main/resources/templates/new.html
index 6c58ebe..724920f 100644
--- a/src/main/resources/templates/new.html
+++ b/src/main/resources/templates/new.html
@@ -8,7 +8,7 @@
     </head>
     <body>
         <main id="content" layout:fragment="content">
-            <form th:action="@{/document/new}" th:object="${form}" method="post">
+            <form th:action="@{/document/new}" th:object="${form}" method="post" class="vert">
                 <label for="name">name</label>
                 <input id="name" type="text" th:field="*{name}" required>
 
@@ -24,7 +24,7 @@
                     </label>
                 </div>
 
-                <label for="tags">tags</label>
+                <label for="tags">tags <small>(csv)</small></label>
                 <input id="tags" type="text" th:field="*{newTags}">
 
                 <button type="submit">
diff --git a/src/main/resources/templates/show.html b/src/main/resources/templates/show.html
index 9adbaee..b7997f1 100644
--- a/src/main/resources/templates/show.html
+++ b/src/main/resources/templates/show.html
@@ -98,7 +98,7 @@
                         <form class="form-inline" th:action="@{/document/{id}/field/label/delete(id=${document.id})}" method="post">
                             <input type="hidden" name="labelFieldId" th:value="${field.id}">
                             <input type="hidden" name="documentId" th:value="${document.id}">
-                            <button type="submit" class="warning">weg</button>
+                            <button type="submit" class="warning">löschen</button>
                         </form>
                     </dt>
                     <dd th:text="${field.value}"></dd>
@@ -114,7 +114,7 @@
                         <form class="form-inline" th:action="@{/document/{id}/field/date/delete(id=${document.id})}" method="post">
                             <input type="hidden" name="dateFieldId" th:value="${field.id}">
                             <input type="hidden" name="documentId" th:value="${document.id}">
-                            <button type="submit" class="warning">weg</button>
+                            <button type="submit" class="warning">löschen</button>
                         </form>
                     </dt>
                     <dd th:text="${#temporals.format(field.value, 'yyyy-MM-dd HH:mm')}"></dd>