diff --git a/documentation/database.md b/documentation/database.md
index e59a5c0a..d3631222 100644
--- a/documentation/database.md
+++ b/documentation/database.md
@@ -248,7 +248,7 @@ Let's imagine that a user is granted the role of *Owner* for the "Org1" organisa
The below schema illustrates both the inheritance of between the groups and the state of the database:
-![BDD state by default](./images/BDD-doc-inheritance-default.png)
+![BDD state by default](./images/BDD-doc-inheritance-default.svg)
This inheritance can be changed through the Users management popup in the Contextual Menu for the Workspaces:
@@ -256,7 +256,7 @@ This inheritance can be changed through the Users management popup in the Contex
If you change the inherit access to "View Only", here is what happens:
-![BDD state after inherit access has changed, the `group_groups.group_id` value has changed](./images/BDD-doc-inheritance-after-change.png)
+![BDD state after inherit access has changed, the `group_groups.group_id` value has changed](./images/BDD-doc-inheritance-after-change.svg)
The Org1 owners now belongs to the "WS1 Viewers" group, and the user despite being *Owner* of "Org1" can only view the workspace WS1 and its documents because s/he only gets the Viewer role for this workspace. Regarding the database, `group_groups` which holds the group inheritance has been updated, so the parent group for `id_org1_owner_grp` is now `id_ws1_viewers_grp`.
diff --git a/documentation/images/BDD-doc-inheritance-after-change.png b/documentation/images/BDD-doc-inheritance-after-change.png
deleted file mode 100644
index 1a02f86d..00000000
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diff --git a/documentation/images/BDD-doc-inheritance-after-change.svg b/documentation/images/BDD-doc-inheritance-after-change.svg
new file mode 100644
index 00000000..0899246a
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+++ b/documentation/images/BDD-doc-inheritance-after-change.svg
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diff --git a/documentation/images/BDD-doc-inheritance-default.png b/documentation/images/BDD-doc-inheritance-default.png
deleted file mode 100644
index b766b778..00000000
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diff --git a/documentation/images/BDD-doc-inheritance-default.svg b/documentation/images/BDD-doc-inheritance-default.svg
new file mode 100644
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diff --git a/documentation/images/BDD.drawio b/documentation/images/BDD.drawio
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