diff --git a/app/controllers/supporters_controller.rb b/app/controllers/supporters_controller.rb
index a626293..2ac685c 100644
--- a/app/controllers/supporters_controller.rb
+++ b/app/controllers/supporters_controller.rb
@@ -18,6 +18,6 @@ class SupportersController < ApplicationController
   private
 
   def supporter_form_params
-    params.require(:supporter).permit(:first_name, :last_name, :street, :zip, :email, :support, :age_category, :city)
+    params.require(:supporter).permit(:first_name, :last_name, :street, :zip, :email, :support, :age_category, :city, :comments)
   end
 end
diff --git a/app/models/supporter.rb b/app/models/supporter.rb
index f435d83..9b38a17 100644
--- a/app/models/supporter.rb
+++ b/app/models/supporter.rb
@@ -17,6 +17,7 @@ class Supporter
   field :support,      type: String # Indicates the type of support
   field :age_category, type: String
   field :coordinates,  type: Array
+  field :comments,     type: String
 
   validates :first_name,   presence: true
   validates :last_name,    presence: true
diff --git a/app/views/supporters/_form.slim b/app/views/supporters/_form.slim
index dcd6477..708381a 100644
--- a/app/views/supporters/_form.slim
+++ b/app/views/supporters/_form.slim
@@ -11,6 +11,7 @@ h1 = title t('.title_html')
       = f.input :email, placeholder: t('.placeholders.email')
       = f.input :support, as: :radio_buttons, collection: t('support_type'), label_method: :last, value_method: :first
       = f.input :age_category, as: :radio_buttons, collection: t('age_category'), label_method: :last, value_method: :first
+      = f.input :comments, as: :text
       .form-group
         = f.submit value: t('.submit'), class: 'btn btn-success'
       .form-group
diff --git a/config/locales/de.yml b/config/locales/de.yml
index 75caeee..b55a890 100644
--- a/config/locales/de.yml
+++ b/config/locales/de.yml
@@ -42,3 +42,4 @@ de:
         email: E-Mail
         support: Unterstützung
         age_category: Alterskategorie
+        comments: Kommentar / Feedback (optional)
diff --git a/spec/features/support_spec.rb b/spec/features/support_spec.rb
index f70089c..fe490b7 100644
--- a/spec/features/support_spec.rb
+++ b/spec/features/support_spec.rb
@@ -11,14 +11,16 @@ feature 'Support announcement' do
     fill_in 'Postleitzahl', with: '8704'
     fill_in 'Ort', with: 'Herrliberg'
     fill_in 'E-Mail', with: 'blocher@blocher.ch'
+    fill_in 'Kommentar / Feedback', with: 'Test text'
 
     choose 'Ich unterschreibe eine Volksinitiative für die Freigabe von Cannabis und helfe aktiv Unterschriften in meiner Umgebung zu sammeln.'
 
     choose 'Ich bin über 64 Jahre alt'
 
     expect { click_button 'Unterstützung zusichern' }.to change { Supporter.count }.by(1)
-
-    expect(Supporter.find_by(email: 'blocher@blocher.ch').coordinates).to eq [8.618589100000001, 47.2926304]
+    supporter = Supporter.find_by(email: 'blocher@blocher.ch')
+    expect(supporter.coordinates).to eq [8.618589100000001, 47.2926304]
+    expect(supporter.comments).to eq 'Test text'
   end
 
   scenario 'A bot tries to enter data' do