diff --git a/SDT/schema4.0/docs/SDT_UML.uxf b/SDT/schema4.0/docs/SDT_UML.uxf
index 42861986ff21830e318e2da677ea2e2c478575a1..cb42951accbb98e118b9b14f7e135a58eceb56e6 100644
--- a/SDT/schema4.0/docs/SDT_UML.uxf
+++ b/SDT/schema4.0/docs/SDT_UML.uxf
@@ -752,7 +752,7 @@ fontsize=12</panel_attributes>
     </coordinates>
     <panel_attributes>EnumType
 --
-*- enumValue : EnumValue*
+*- EnumValue : EnumValue*
 fg=blue</panel_attributes>
     <additional_attributes/>
   </element>
@@ -780,7 +780,7 @@ fontsize=12</panel_attributes>
     <panel_attributes>EnumValue
 --
 *@ name : Name*
-*@ value : value*
+*@ value : text*
 /@ type : BasicType = integer/
 /@ semanticURI : uri/
 /- Doc : Doc/
@@ -988,7 +988,7 @@ fontsize=12
       <w>220</w>
       <h>160</h>
     </coordinates>
-    <panel_attributes>Product
+    <panel_attributes>ProductClass
 --
 *@ id : Name*
 /@ semanticURI : uri/
@@ -996,7 +996,7 @@ fontsize=12
 /* Properties : Property/
 /* ModuleClasses : ModuleClass/
 /* SubDevices : SubDevice/
-- DeviceClass : Extend
+/- DeviceClass : Extend/
 /- Extend : Extend/
 fg=blue</panel_attributes>
     <additional_attributes/>
diff --git a/SDT/schema4.0/docs/images/SDT_UML_Basic_Elements.png b/SDT/schema4.0/docs/images/SDT_UML_Basic_Elements.png
index a564e4ad9a0790574fba71ceb86d7fa273623d25..7631a92344a860d5a4d0efff3eebd358939db848 100644
Binary files a/SDT/schema4.0/docs/images/SDT_UML_Basic_Elements.png and b/SDT/schema4.0/docs/images/SDT_UML_Basic_Elements.png differ