diff --git a/doc/source/DMS.rst b/doc/source/DMS.rst
index aafde49..059d450 100644
--- a/doc/source/DMS.rst
+++ b/doc/source/DMS.rst
@@ -10,7 +10,7 @@ A complete DNA Metabarcoding experiment rely on several kinds of data.
 	- One or several taxonomies.
 
 Up to now each of these categories of data were stored in separate
-files an nothing obliged to keep them together.  
+files an nothing obliged to keep them together.
 
 
 The `Data Management System` (DMS) of OBITools3 can be considered
@@ -20,7 +20,7 @@ as a basic database system.
 OBIDMS UML
 ==========
 
-.. image:: ./images/OBIDMS_UML.png
+.. image:: ./UML/OBIDMS_UML.png
 
 :download:`html version of the OBIDMS UML file <UML/ObiDMS_UML.class.violet.html>`
 
diff --git a/doc/source/images/OBIDMS_UML.png b/doc/source/UML/OBIDMS_UML.png
similarity index 100%
rename from doc/source/images/OBIDMS_UML.png
rename to doc/source/UML/OBIDMS_UML.png
diff --git a/doc/source/images/OBITypes_UML.png b/doc/source/UML/OBITypes_UML.png
similarity index 100%
rename from doc/source/images/OBITypes_UML.png
rename to doc/source/UML/OBITypes_UML.png
diff --git a/doc/source/types.rst b/doc/source/types.rst
index 398db79..69bfcca 100644
--- a/doc/source/types.rst
+++ b/doc/source/types.rst
@@ -3,7 +3,7 @@ OBITypes
 ********
 
     
-.. image:: ./images/OBITypes_UML.png
+.. image:: ./UML/OBITypes_UML.png
 :download:`html version of the OBITypes UML file <UML/OBITypes_UML.class.violet.html>`
 
 .. note::