diff --git a/gnuviechadmin/osusers/views.py b/gnuviechadmin/osusers/views.py
index 46fe4e8..0f74cf7 100644
--- a/gnuviechadmin/osusers/views.py
+++ b/gnuviechadmin/osusers/views.py
@@ -98,6 +98,12 @@ class AddSshPublicKey(
 class ListSshPublicKeys(
     HostingPackageAndCustomerMixin, StaffOrSelfLoginRequiredMixin, ListView
 ):
+    """
+    This view is used for showing the list of :py:class:`SSH public keys
+    <osusers.models.SshPublicKey>` assigned to the hosting package specified
+    via URL parameter 'pattern'.
+
+    """
     model = SshPublicKey
     context_object_name = 'keys'
 
@@ -114,9 +120,19 @@ class ListSshPublicKeys(
 class DeleteSshPublicKey(
     HostingPackageAndCustomerMixin, StaffOrSelfLoginRequiredMixin, DeleteView
 ):
+    """
+    This view is used for delete confirmation of a :py:class:`SSH public key
+    <osusers.models.SshPublicKey>`.
+
+    """
+
     model = SshPublicKey
     context_object_name = 'key'
 
+    def get_queryset(self):
+        return super(DeleteSshPublicKey, self).get_queryset().filter(
+            user=self.get_hosting_package().osuser)
+
     def get_context_data(self, **kwargs):
         context = super(DeleteSshPublicKey, self).get_context_data(**kwargs)
         context.update({
@@ -135,12 +151,21 @@ class DeleteSshPublicKey(
 class EditSshPublicKeyComment(
     HostingPackageAndCustomerMixin, StaffOrSelfLoginRequiredMixin, UpdateView
 ):
+    """
+    This view is used for editing the comment field of a :py:class:`SSH public
+    key <osusers.models.SshPublicKey>`.
+
+    """
     model = SshPublicKey
     context_object_name = 'key'
     fields = ['comment']
     template_name_suffix = '_edit_comment'
     form_class = EditSshPublicKeyCommentForm
 
+    def get_queryset(self):
+        return super(EditSshPublicKeyComment, self).get_queryset().filter(
+            user=self.get_hosting_package().osuser)
+
     def get_form_kwargs(self):
         kwargs = super(EditSshPublicKeyComment, self).get_form_kwargs()
         kwargs['hostingpackage'] = self.get_hosting_package()