diff --git a/org.hl7.fhir.utilities/src/main/resources/Messages.properties b/org.hl7.fhir.utilities/src/main/resources/Messages.properties
index a6bdae0e1..f8b8cd4c7 100644
--- a/org.hl7.fhir.utilities/src/main/resources/Messages.properties
+++ b/org.hl7.fhir.utilities/src/main/resources/Messages.properties
@@ -643,6 +643,7 @@ SD_ED_SHOULD_BIND_WITH_VS = The element {0} has a type that should have a bindin
 SD_ED_BIND_UNKNOWN_VS = The valueSet reference {1} on element {0} could not be resolved
 SD_ED_BIND_NOT_VS = The valueSet reference {1} on element {0} points to something that is not a value set ({2}) 
 SD_ED_BIND_NO_BINDABLE = The element {0} has a binding, but no bindable types are present {1}
+SD_ED_BIND_MULTIPLE_TYPES = The element {0} has a binding, and has multiple types ({1}). The binding will apply to all the types
 DISCRIMINATOR_BAD_PATH = Error processing path expression for discriminator: {0} (src = ''{1}'')
 SLICING_CANNOT_BE_EVALUATED = Slicing cannot be evaluated: {0}
 TYPE_SPECIFIC_CHECKS_DT_CANONICAL_RESOLVE = Canonical URL ''{0}'' does not resolve
diff --git a/org.hl7.fhir.validation/src/main/java/org/hl7/fhir/validation/instance/type/StructureDefinitionValidator.java b/org.hl7.fhir.validation/src/main/java/org/hl7/fhir/validation/instance/type/StructureDefinitionValidator.java
index ffdaf3e6b..8e9b7eced 100644
--- a/org.hl7.fhir.validation/src/main/java/org/hl7/fhir/validation/instance/type/StructureDefinitionValidator.java
+++ b/org.hl7.fhir.validation/src/main/java/org/hl7/fhir/validation/instance/type/StructureDefinitionValidator.java
@@ -211,6 +211,8 @@ public class StructureDefinitionValidator extends BaseValidator {
 
   private void validateBinding(List<ValidationMessage> errors, Element binding, NodeStack stack, Set<String> typeCodes, boolean snapshot, String path) {
     rule(errors, IssueType.BUSINESSRULE, stack.getLiteralPath(), !snapshot || bindableType(typeCodes) != null, I18nConstants.SD_ED_BIND_NO_BINDABLE, path, typeCodes.toString());
+    hint(errors, IssueType.BUSINESSRULE, stack.getLiteralPath(), typeCodes.size() <= 1, I18nConstants.SD_ED_BIND_MULTIPLE_TYPES, path, typeCodes.toString());
+    
     if (binding.hasChild("valueSet")) {
       Element valueSet = binding.getNamedChild("valueSet");
       String ref = valueSet.hasPrimitiveValue() ? valueSet.primitiveValue() : valueSet.getNamedChildValue("reference");