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 0b397001c5b48424609ff9d197d1412ffd9e5ce7..895a1dd1116b40485a22255874d9b7c793c4f226 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
diff --git a/SDT/schema4.0/docs/images/SDT_UML_DataType.png b/SDT/schema4.0/docs/images/SDT_UML_DataType.png
index 461a937564959815d6938cd3e0ddcf16b051e8a3..6e59eb7c014802aa3c76b307d6a62bf885efdd86 100644
Binary files a/SDT/schema4.0/docs/images/SDT_UML_DataType.png and b/SDT/schema4.0/docs/images/SDT_UML_DataType.png differ