diff --git a/docs/call reference.md b/docs/call reference.md
index dffd8746..d2a0d727 100644
--- a/docs/call reference.md	
+++ b/docs/call reference.md	
@@ -25,7 +25,7 @@
                     <span style="font-weight: normal;">
                         apply coupon for discount: 
                     </span>
-                    A2E4F6B1B75EC3D90133input.
+                    A2E4F6B1B75EC3D90133.
                 </div>
                 <button style="margin: 0 auto; display: block; width: 200px; height: 70px; border-radius: 14px; border: none; padding: 10px; font-size: 18px; background-color: #357296; color: white; cursor: pointer;" onclick="window.open('https://www.udemy.com/course/pysimplegui/?couponCode=A2E4F6B1B75EC3D90133','_blank');">
                     click here to visit course page
diff --git a/readme.md b/readme.md
index 740737f9..181372e7 100644
--- a/readme.md
+++ b/readme.md
@@ -9,8 +9,8 @@
       <img src="https://www.dropbox.com/s/6wzf3ebmj97v4zs/PySimpleGUI-GitHub-Udemy-Course.png?raw=1" width=200 alt="PySimpleGUI Udemy Course">
     </td>
     <td>
-      <h5>apply coupon for discount:<br>07860559FF2298EF51E7</h6>
-      <a href="https://www.udemy.com/course/pysimplegui/?couponCode=07860559FF2298EF51E7">click here to visit course page</a>
+      <h5>apply coupon for discount:<br>A2E4F6B1B75EC3D90133</h6>
+      <a href="https://www.udemy.com/course/pysimplegui/?couponCode=A2E4F6B1B75EC3D90133">click here to visit course page</a>
     </td>
   </tr>
 </table>
diff --git a/readme_creator/markdown input files/5_call_reference.md b/readme_creator/markdown input files/5_call_reference.md
index 2a13ca90..b1afb560 100644
--- a/readme_creator/markdown input files/5_call_reference.md	
+++ b/readme_creator/markdown input files/5_call_reference.md	
@@ -25,7 +25,7 @@
                     <span style="font-weight: normal;">
                         apply coupon for discount: 
                     </span>
-                    A2E4F6B1B75EC3D90133input.
+                    A2E4F6B1B75EC3D90133.
                 </div>
                 <button style="margin: 0 auto; display: block; width: 200px; height: 70px; border-radius: 14px; border: none; padding: 10px; font-size: 18px; background-color: #357296; color: white; cursor: pointer;" onclick="window.open('https://www.udemy.com/course/pysimplegui/?couponCode=A2E4F6B1B75EC3D90133','_blank');">
                     click here to visit course page
diff --git a/readme_creator/output/call reference.md b/readme_creator/output/call reference.md
index dffd8746..d2a0d727 100644
--- a/readme_creator/output/call reference.md	
+++ b/readme_creator/output/call reference.md	
@@ -25,7 +25,7 @@
                     <span style="font-weight: normal;">
                         apply coupon for discount: 
                     </span>
-                    A2E4F6B1B75EC3D90133input.
+                    A2E4F6B1B75EC3D90133.
                 </div>
                 <button style="margin: 0 auto; display: block; width: 200px; height: 70px; border-radius: 14px; border: none; padding: 10px; font-size: 18px; background-color: #357296; color: white; cursor: pointer;" onclick="window.open('https://www.udemy.com/course/pysimplegui/?couponCode=A2E4F6B1B75EC3D90133','_blank');">
                     click here to visit course page