diff --git a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/utils/ToolingExtensions.java b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/utils/ToolingExtensions.java
index 126d4cfb8..60bf03059 100644
--- a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/utils/ToolingExtensions.java
+++ b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/utils/ToolingExtensions.java
@@ -258,6 +258,10 @@ public class ToolingExtensions {
   public static final String EXT_ID_CHOICE_GROUP = "http://hl7.org/fhir/tools/StructureDefinition/xml-choice-group";
   public static final String EXT_DATE_RULES = "http://hl7.org/fhir/tools/StructureDefinition/elementdefinition-date-rules";
   public static final String EXT_PROFILE_STYLE = "http://hl7.org/fhir/tools/StructureDefinition/type-profile-style";
+  public static final String EXT_RESOURCE_NAME = "http://hl7.org/fhir/StructureDefinition/resource-instance-name";
+  public static final String EXT_RESOURCE_DESC = "http://hl7.org/fhir/StructureDefinition/resource-instance-description";
+  public static final String EXT_ARTIFACT_NAME = "http://hl7.org/fhir/StructureDefinition/artifact-name";
+  public static final String EXT_ARTIFACT_DESC = "http://hl7.org/fhir/StructureDefinition/artifact-description";
   
   // specific extension helpers