diff --git a/doc/source/ObiDMS_ULM.class.violet.html b/doc/source/ObiDMS_UML.class.violet.html
similarity index 100%
rename from doc/source/ObiDMS_ULM.class.violet.html
rename to doc/source/ObiDMS_UML.class.violet.html
diff --git a/doc/source/formats.rst b/doc/source/formats.rst
index 4f8aa45..123becc 100644
--- a/doc/source/formats.rst
+++ b/doc/source/formats.rst
@@ -88,11 +88,11 @@ of each mandatory column. Only one version of each column is included. All the c
 one view contain the same number of lines in the same order.
 
 
-OBIDMS ULM
+OBIDMS UML
 ==========
 
-.. image:: ./images/OBIDMS_ULM.png
-:download:`html version of the OBIDMS ULM file </ObiDMS_ULM.class.violet.html>`
+.. image:: ./images/OBIDMS_UML.png
+:download:`html version of the OBIDMS UML file </ObiDMS_UML.class.violet.html>`
 
 
 OBIIntColumn header file
diff --git a/doc/source/images/OBIDMS_ULM.png b/doc/source/images/OBIDMS_UML.png
similarity index 100%
rename from doc/source/images/OBIDMS_ULM.png
rename to doc/source/images/OBIDMS_UML.png