diff --git a/billing/management/commands/generate_invoice.py b/billing/management/commands/generate_invoice.py
index eea0479..12c0612 100644
--- a/billing/management/commands/generate_invoice.py
+++ b/billing/management/commands/generate_invoice.py
@@ -59,7 +59,7 @@ class Command(BaseCommand):
                     sender = settings.DEFAULT_FROM_EMAIL
 
                     send_mail(
-                        subject="[Gna!] Payment receipt your Gna! VM",
+                        subject="[Gna!] Payment receipt for your Gna! VM",
                         message=body,
                         from_email=f"No reply Gna!<{sender}>",  # TODO read from settings.py
                         recipient_list=[email],
diff --git a/billing/views.py b/billing/views.py
index ff85bcf..f6f24f6 100644
--- a/billing/views.py
+++ b/billing/views.py
@@ -128,7 +128,7 @@ def payment_success(request, payment_public_id):
     sender = settings.DEFAULT_FROM_EMAIL
 
     send_mail(
-        subject="[Gna!] Payment receipt your Gna! VM",
+        subject="[Gna!] Payment receipt for your Gna! VM",
         message=body,
         from_email=f"No reply Gna!<{sender}>",  # TODO read from settings.py
         recipient_list=[email],