diff --git a/intervention/views.py b/intervention/views.py
index f3f5e72c..4ef15dd9 100644
--- a/intervention/views.py
+++ b/intervention/views.py
@@ -83,13 +83,12 @@ def new_document_view(request: HttpRequest, id: str):
     Returns:
 
     """
-    form = NewDocumentForm(request.POST, request.FILES, user=request.user)
+    intervention = get_object_or_404(Intervention, id=id)
+    form = NewDocumentForm(request.POST or None, request.FILES or None, instance=intervention, user=request.user)
     template = form.template
     if request.method == "POST":
         if form.is_valid():
             doc = form.save()
-            intervention = get_object_or_404(Intervention, id=id)
-            intervention.documents.add(doc)
             messages.success(
                 request,
                 _("Document '{}' added").format(doc.title)
diff --git a/konova/forms.py b/konova/forms.py
index 0fd5cc7d..a3384029 100644
--- a/konova/forms.py
+++ b/konova/forms.py
@@ -177,6 +177,8 @@ class NewDocumentForm(BaseModalForm):
 
     """
     title = forms.CharField(
+        label=_("Title"),
+        label_suffix=_(""),
         max_length=500,
     )
     creation_date = forms.DateField(
@@ -195,13 +197,23 @@ class NewDocumentForm(BaseModalForm):
         label=_("File"),
         label_suffix=_(""),
         help_text=_("Must be smaller than 15 Mb"),
+        widget=forms.FileInput(
+            attrs={
+                "class": "w-75"
+            }
+        )
     )
     comment = forms.CharField(
         required=False,
         label=_("Comment"),
         label_suffix=_(""),
         help_text=_("Additional comment on this file"),
-        widget=forms.Textarea()
+        widget=forms.Textarea(
+            attrs={
+                "cols": 30,
+                "rows": 5,
+            }
+        )
     )
 
     def __init__(self, *args, **kwargs):
@@ -222,4 +234,5 @@ class NewDocumentForm(BaseModalForm):
                 document=self.cleaned_data["file"],
                 date_of_creation=self.cleaned_data["creation_date"],
             )
+            self.instance.documents.add(doc)
             return doc