diff --git a/app/assets/stylesheets/request-for-comments.css.scss b/app/assets/stylesheets/request-for-comments.css.scss
index 02dab676..a219d21c 100644
--- a/app/assets/stylesheets/request-for-comments.css.scss
+++ b/app/assets/stylesheets/request-for-comments.css.scss
@@ -1,4 +1,5 @@
 #commentitor {
     margin-top: 2rem;
     height: 600px;
+    background-color:#f9f9f9
 }
\ No newline at end of file
diff --git a/app/views/request_for_comments/show.html.erb b/app/views/request_for_comments/show.html.erb
index d0fe31af..28574ade 100644
--- a/app/views/request_for_comments/show.html.erb
+++ b/app/views/request_for_comments/show.html.erb
@@ -41,14 +41,18 @@
         </ul>
       </h5>
   <% end %>
+  <h5>
+    <u><%= t('request_for_comments.howto_title') %></u><br> <%= render_markdown(t('request_for_comments.howto')) %>
+  </h5>
 </div>
-
+<hr>
 <!--
 do not put a carriage return in the line below. it will be present in the presentation of the source code, otherwise.
 also, all settings from the rails model needed for the editor configuration in the JavaScript are attached to the editor as data attributes here.
 -->
 <% submission.files.each do |file| %>
-  <%= (file.path or "") + "/" + file.name +  file.file_type.file_extension %>
+  <%= (file.path or "") + "/" + file.name +  file.file_type.file_extension %><br>
+  &nbsp;&nbsp;<i class="fa fa-arrow-down" aria-hidden="true"></i> <%= t('request_for_comments.click_here') %>
   <div id='commentitor' class='editor' data-read-only='true' data-file-id='<%=file.id%>' data-mode='<%=file.file_type.editor_mode%>'><%= file.content %>
   </div>
 <% end %>
diff --git a/config/locales/de.yml b/config/locales/de.yml
index de6fe41a..5b4329df 100644
--- a/config/locales/de.yml
+++ b/config/locales/de.yml
@@ -360,7 +360,13 @@ de:
         body: 'Bitte besuchen Sie %{link}, sofern Sie Ihr Passwort zurücksetzen wollen.'
         subject: Anweisungen zum Zurücksetzen Ihres Passworts
   request_for_comments:
+    click_here: Zum Kommentieren auf die Seitenleiste klicken!
     comments: Kommentare
+    howto: |
+      Um Kommentare zu einer Programmzeile hinzuzufügen, kann einfach auf die jeweilige Zeilennummer auf der linken Seite geklickt werden. <br>
+      Es öffnet sich ein Textfeld, in dem der Kommentar eingetragen werden kann. <br>
+      Mit "Kommentieren" wird der Kommentar dann gesichert und taucht als Sprechblase neben der Zeile auf.
+    howto_title: 'Anleitung:'
     index:
       get_my_comment_requests: Meine Kommentaranfragen
       all: "Alle Kommentaranfragen"
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 304d7d0f..5541d68f 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -381,7 +381,13 @@ en:
         body: 'Please visit %{link} if you want to reset your password.'
         subject: Password reset instructions
   request_for_comments:
+    click_here: Click on this sidebar to comment!
     comments: Comments
+    howto: |
+     To leave comments to a specific code line, click on the respective line number. <br>
+     Enter your comment in the popup and save it by clicking "Comment this". <br>
+     Your comment will show up next to the line number as a speech bubble symbol.
+    howto_title: 'How to comment:'
     index:
       all: All Requests for Comments
       get_my_comment_requests: My Requests for Comments