diff --git a/.github/FUNDING.yml b/.github/FUNDING.yml
index d81227a..096ad6d 100644
--- a/.github/FUNDING.yml
+++ b/.github/FUNDING.yml
@@ -1,4 +1,4 @@
 # These are supported funding model platforms
 
 github: kananinirav
-custom: 'https://www.buymeacoffee.com/kananinirav' # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
+custom: 'https://ko-fi.com/kananinirav' # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/README.md b/README.md
index 40c06e0..31ac16f 100644
--- a/README.md
+++ b/README.md
@@ -10,8 +10,8 @@
 ![Ebook_Cover](./images/Ebook_Cover.png)
 
 **[Sample PDF](./images/AWS-Cloud-Practitioner-Study-Notes-Sample.pdf)**      
-**[Buy Study Notes PDF](https://www.buymeacoffee.com/kananinirav/e/151079)**      
-**[Buy Practice Exams PDF](https://www.buymeacoffee.com/kananinirav/e/174069)**
+**[Buy Study Notes PDF](https://ko-fi.com/s/02467fa90c)**      
+**[Buy Practice Exams PDF](https://ko-fi.com/s/26525f2067)**
 
 Purchase a PDF on Kindle and adjust your region settings for the most favorable price based on your location: **[Kindle Edition](https://a.co/d/bvPmN94) (For kindle unlimited users)**
 
@@ -73,7 +73,7 @@ Each Section contains a number of units. **Below Table Link** containing informa
 
 ### If you find the content of this website interesting and helpful, use the “Buy me a Coffee” link below to buy me a coffee
 
-<a href="https://www.buymeacoffee.com/kananinirav" target="_blank"><img src="https://cdn.buymeacoffee.com/buttons/default-orange.png" alt="Buy Me A Coffee" height="41" width="174"></a>
+<script type='text/javascript' src='https://storage.ko-fi.com/cdn/widget/Widget_2.js'></script><script type='text/javascript'>kofiwidget2.init('Support me on Ko-fi', '#26B0A1', 'I2I51B7WW2');kofiwidget2.draw();</script>
 
 ![gif](https://media.giphy.com/media/gTURHJs4e2Ies/giphy.gif)
 
diff --git a/_layouts/default.html b/_layouts/default.html
index a5383d3..46a2d34 100644
--- a/_layouts/default.html
+++ b/_layouts/default.html
@@ -39,8 +39,8 @@
       {{ content }}
 
       {% if page.link %}
-        <!-- <p> <strong>You Can Purchase PDF :</strong> &nbsp; &nbsp;
-        <strong><a href="https://www.buymeacoffee.com/kananinirav/e/151079" target="blank">AWS Cloud Practitioner Study Notes (PDF)</a></strong> </p> -->
+        <p> <strong>You Can Purchase PDF :</strong> &nbsp; &nbsp;
+        <strong><a href="https://ko-fi.com/s/02467fa90c" target="blank">AWS Cloud Practitioner Study Notes (PDF)</a></strong> </p>
       {% endif %}
 
       <!-- comment provider -->
@@ -73,6 +73,14 @@
         })
       </script>
     </main>
-    <script data-name="BMC-Widget" data-cfasync="false" src="https://cdnjs.buymeacoffee.com/1.0.0/widget.prod.min.js" data-id="kananinirav" data-description="Support me on Buy me a coffee!" data-message="" data-color="#40DCA5" data-position="Right" data-x_margin="18" data-y_margin="18"></script>
+    <script src='https://storage.ko-fi.com/cdn/scripts/overlay-widget.js'></script>
+    <script>
+      kofiWidgetOverlay.draw('kananinirav', {
+        'type': 'floating-chat',
+        'floating-chat.donateButton.text': '',
+        'floating-chat.donateButton.background-color': '#26B0A1',
+        'floating-chat.donateButton.text-color': '#fff'
+      });
+    </script>
   </body>
 </html>
diff --git a/_layouts/exam.html b/_layouts/exam.html
index 6522736..6643a4d 100644
--- a/_layouts/exam.html
+++ b/_layouts/exam.html
@@ -28,12 +28,12 @@ layout: default
 <hr>
 
 <p> <strong>You Can Purchase Sturdy PDF :</strong> &nbsp; &nbsp;</p>
-<p><strong><a href="https://buymeacoffee.com/kananinirav/e/151079" target="blank">AWS Cloud Practitioner Study Notes - CLF-C02 (PDF)</a></strong> </p>
-<p><strong><a href="https://buymeacoffee.com/kananinirav/e/174069" target="blank">AWS Cloud Practitioner Practice Exams - CLF-C02 (PDF)</a></strong> </p>
+<p><strong><a href="https://ko-fi.com/s/02467fa90c" target="blank">AWS Cloud Practitioner Study Notes - CLF-C02 (PDF)</a></strong> </p>
+<p><strong><a href="https://ko-fi.com/s/26525f2067" target="blank">AWS Cloud Practitioner Practice Exams - CLF-C02 (PDF)</a></strong> </p>
 
 <h3>If you find the content of this website interesting and helpful, use the “Buy me a Coffee” link below to buy me a coffee</h3>
 
-<p><a href="https://www.buymeacoffee.com/kananinirav" target="_blank"><img src="https://cdn.buymeacoffee.com/buttons/default-orange.png" alt="Buy Me A Coffee" height="41" width="174"></a></p>
+<a href='https://ko-fi.com/kananinirav' target='_blank'><img height='36' style='border:0px;height:36px;' src='https://storage.ko-fi.com/cdn/kofi6.png?v=6' border='0' alt='Buy Me a Coffee at ko-fi.com' /></a>
 
 <p><img src="https://media.giphy.com/media/gTURHJs4e2Ies/giphy.gif" alt="gif"></p>
 
diff --git a/practice-exam/exams.md b/practice-exam/exams.md
index 7454f13..f0022e0 100644
--- a/practice-exam/exams.md
+++ b/practice-exam/exams.md
@@ -39,6 +39,6 @@ If this guide has been helpful to you please share it with others and react to t
 ![Ebook_Cover](../images/Ebook_Cover.png)
 
 **[Sample PDF](../images/AWS-Cloud-Practitioner-Practice-Exams-Sample.pdf)** &nbsp; &nbsp; &nbsp;
-**[Buy Practice Exams PDF](https://www.buymeacoffee.com/kananinirav/e/174069)** &nbsp; &nbsp; &nbsp;
+**[Buy Practice Exams PDF](https://ko-fi.com/s/26525f2067)** &nbsp; &nbsp; &nbsp;
 
 Purchase an PDF on Kindle and adjust your region settings for the most favorable price based on your location: **[Kindle Edition](https://a.co/d/7ERcTBI) (free for kindle unlimited users)**
diff --git a/practice-exam/practice-exam-3.md b/practice-exam/practice-exam-3.md
index e8153c4..350f7bd 100644
--- a/practice-exam/practice-exam-3.md
+++ b/practice-exam/practice-exam-3.md
@@ -472,7 +472,7 @@ layout: exam
     - B. Reserved instances require at least a one-year pricing commitment.
     - C. There is no additional charge for using dedicated instances.
     - D. Reserved instances provide a significant discount compared to on-demand instances.
-    - E.Reserved instances are best suited for periodic workloads.
+    - E. Reserved instances are best suited for periodic workloads.
 
     <details markdown=1><summary markdown='span'>Answer</summary>
       Correct answer: B, D