diff --git a/04ERPArchiteture.md b/04ERPArchiteture.md
index 9cdcdea..0fe7e99 100644
--- a/04ERPArchiteture.md
+++ b/04ERPArchiteture.md
@@ -23,19 +23,6 @@ The Axelor user interface
 ### Thank you
 To not forget that all of this was only possible because people believe in [open and free software.](https://static.fsf.org/nosvn/videos/escape-to-freedom/?mtm_campaign=spring22&mtm_source=videomail) 
 
-<div id="freedom-iframe-container" style="position: relative; padding-top: calc(60% + 100px); width: 100%;">
-<iframe src="https://www.fsf.org/videos/escape-to-freedom/" scrolling="no" style="overflow: hidden; margin: 0; border: 0 none; display: block; position: absolute; width: 100%; height: 100%; top: 0;"></iframe>
-</div>
-<script>
-// @license magnet:?xt=urn:btih:1f739d935676111cfff4b4693e3816e664797050&dn;=gpl-3.0.txt GPL-3.0-or-later
-window.onmessage = function (e) { if (e.data.hasOwnProperty("freedom-iframe-height")) { document.getElementById('freedom-iframe-container').style.height=`${e.data["freedom-iframe-height"]}px`;  document.getElementById('freedom-iframe-container').style["padding-top"]="unset";} };
-// @license-end
-</script>
-
 ![ubuntu](ERP/install/ubuntu.png)
 
 [license](https://www.gnu.org/licenses/agpl-3.0.html)
-
-
-
-https://www.fsf.org/blogs/community/help-others-find-free-software-watch-and-share-escape-to-freedom
diff --git a/05ChangeManagement.md b/05ChangeManagement.md
index acf800f..c411f03 100644
--- a/05ChangeManagement.md
+++ b/05ChangeManagement.md
@@ -16,4 +16,5 @@ Looking into the [milestones](https://code.33co.de/ehofmann/ERP-samk/milestones?
 4. Testing
 5. Deployment
 6. Support & Updates
+
 Up to number 5, has been covered by this project. Item 6 is after the ERP implementation, that could be managed by the same team, or be transfered to another team. It includes improvements based on users feedback and software updates or upgrades when needed.
diff --git a/README.md b/README.md
index 6dbced4..cf2a56b 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ More information on how to navigate through the platform, check this [video](vid
     * [Side by Side ERP comparison](03Comparison.md)
 - [SAP workshop](SAPWorkshop.md)
 - [ERP Architeture](04ERPArchiteture.md)
-- [Assigment 05](05ChangeManagement.md)
+- [Assigment 04](05ChangeManagement.md)
 
 ---