diff --git a/nummi/main/models.py b/nummi/main/models.py
index 57099a7..e15691b 100644
--- a/nummi/main/models.py
+++ b/nummi/main/models.py
@@ -1,5 +1,6 @@
 import uuid
 from django.db import models
+from django.forms import ModelForm
 
 
 class Transaction(models.Model):
@@ -13,6 +14,12 @@ class Transaction(models.Model):
         return f"{self.date} {self.name}: {self.value}€"
 
 
+class TransactionForm(ModelForm):
+    class Meta:
+        model = Transaction
+        fields = ["name", "description", "value", "date"]
+
+
 class Invoice(models.Model):
     id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
     name = models.CharField(max_length=256)
diff --git a/nummi/main/templates/main/transaction.html b/nummi/main/templates/main/transaction.html
index 6cefd07..89a6225 100644
--- a/nummi/main/templates/main/transaction.html
+++ b/nummi/main/templates/main/transaction.html
@@ -1,4 +1,9 @@
-<h1>{{ transaction }}</h1>
+<form action="{% url 'update_transaction' transaction.id %}" method="post">
+	{% csrf_token %}
+	{{ form }}
+	<input type="submit" />
+</form>
+
 <ul>
 	{% for inv in invoices %}
 	<li><a href="{% url 'invoice' inv.id %}">{{ inv.name }}</a></li>
diff --git a/nummi/main/urls.py b/nummi/main/urls.py
index 6ed36f5..36b814d 100644
--- a/nummi/main/urls.py
+++ b/nummi/main/urls.py
@@ -5,5 +5,8 @@ from . import views
 urlpatterns = [
     path("", views.index, name="index"),
     path("transaction/<uuid>", views.transaction, name="transaction"),
+    path(
+        "transaction/<uuid>/update", views.update_transaction, name="update_transaction"
+    ),
     path("invoice/<uuid>", views.invoice, name="invoice"),
 ]
diff --git a/nummi/main/views.py b/nummi/main/views.py
index 8b61701..473b05d 100644
--- a/nummi/main/views.py
+++ b/nummi/main/views.py
@@ -1,8 +1,8 @@
-from django.shortcuts import render, get_object_or_404
+from django.shortcuts import render, get_object_or_404, redirect
 from django.http import HttpResponse
 
 
-from .models import Transaction, Invoice
+from .models import Transaction, TransactionForm, Invoice
 
 
 def index(request):
@@ -21,11 +21,19 @@ def transaction(request, uuid):
         "main/transaction.html",
         {
             "transaction": _transaction,
+            "form": TransactionForm(instance=_transaction),
             "invoices": _invoices,
         },
     )
 
 
+def update_transaction(request, uuid):
+    _transaction = get_object_or_404(Transaction, id=uuid)
+    _form = TransactionForm(request.POST, instance=_transaction)
+    _form.save()
+    return redirect(transaction, uuid=uuid)
+
+
 def invoice(request, uuid):
     _invoice = get_object_or_404(Invoice, id=uuid)
     with _invoice.file.open() as _file: