diff --git a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/terminologies/validation/ValueSetValidator.java b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/terminologies/validation/ValueSetValidator.java
index 2725724dd..8188dade9 100644
--- a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/terminologies/validation/ValueSetValidator.java
+++ b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/terminologies/validation/ValueSetValidator.java
@@ -648,6 +648,7 @@ public class ValueSetValidator extends ValueSetProcessBase {
     if (vcc != null) {
       vcc.addCoding(vc);
     }
+    boolean ws = false;    
     if (code.getDisplay() == null) {
       return new ValidationResult(code.getSystem(), cs.getVersion(), cc, vc.getDisplay());
     }
@@ -656,14 +657,20 @@ public class ValueSetValidator extends ValueSetProcessBase {
       b.append("'"+cc.getDisplay()+"'");
       if (code.getDisplay().equalsIgnoreCase(cc.getDisplay())) {
         return new ValidationResult(code.getSystem(), cs.getVersion(), cc, getPreferredDisplay(cc, cs));
+      } else if (Utilities.normalize(code.getDisplay()).equals(Utilities.normalize(cc.getDisplay()))) {
+        ws = true;
       }
     }
+    
     for (ConceptDefinitionDesignationComponent ds : cc.getDesignation()) {
       if (isOkLanguage(ds.getLanguage())) {
         b.append("'"+ds.getValue()+"'");
         if (code.getDisplay().equalsIgnoreCase(ds.getValue())) {
           return new ValidationResult(code.getSystem(),cs.getVersion(),  cc, getPreferredDisplay(cc, cs));
         }
+        if (Utilities.normalize(code.getDisplay()).equalsIgnoreCase(Utilities.normalize(ds.getValue()))) {
+          ws = true;
+        }
       }
     }
     // also check to see if the value set has another display
@@ -690,7 +697,7 @@ public class ValueSetValidator extends ValueSetProcessBase {
       String msg = context.formatMessagePlural(options.getLanguages().size(), I18nConstants.NO_VALID_DISPLAY_FOUND, code.getSystem(), code.getCode(), code.getDisplay(), options.langSummary());
       return new ValidationResult(IssueSeverity.WARNING, msg, code.getSystem(), cs.getVersion(), cc, getPreferredDisplay(cc, cs), makeIssue(IssueSeverity.WARNING, IssueType.INVALID, path+".display", msg));      
     } else {
-      String msg = context.formatMessagePlural(b.count(), I18nConstants.DISPLAY_NAME_FOR__SHOULD_BE_ONE_OF__INSTEAD_OF, code.getSystem(), code.getCode(), b.toString(), code.getDisplay(), options.langSummary());
+      String msg = context.formatMessagePlural(b.count(), ws ? I18nConstants.DISPLAY_NAME_WS_FOR__SHOULD_BE_ONE_OF__INSTEAD_OF : I18nConstants.DISPLAY_NAME_FOR__SHOULD_BE_ONE_OF__INSTEAD_OF, code.getSystem(), code.getCode(), b.toString(), code.getDisplay(), options.langSummary());
       return new ValidationResult(dispWarningStatus(), msg, code.getSystem(), cs.getVersion(), cc, getPreferredDisplay(cc, cs), makeIssue(dispWarning(), IssueType.INVALID, path+".display", msg));
     }
   }
diff --git a/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/i18n/I18nConstants.java b/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/i18n/I18nConstants.java
index 29610c9f8..a607f0a19 100644
--- a/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/i18n/I18nConstants.java
+++ b/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/i18n/I18nConstants.java
@@ -81,6 +81,7 @@ public class I18nConstants {
   public static final String DISCRIMINATOR__IS_BASED_ON_TYPE_BUT_SLICE__IN__HAS_NO_TYPES = "Discriminator__is_based_on_type_but_slice__in__has_no_types";
   public static final String DISCRIMINATOR_BAD_PATH = "DISCRIMINATOR_BAD_PATH";
   public static final String DISPLAY_NAME_FOR__SHOULD_BE_ONE_OF__INSTEAD_OF = "Display_Name_for__should_be_one_of__instead_of";
+  public static final String DISPLAY_NAME_WS_FOR__SHOULD_BE_ONE_OF__INSTEAD_OF = "Display_Name_WS_for__should_be_one_of__instead_of";
   public static final String DOCUMENT = "documentmsg";
   public static final String DOCUMENT_DATE_REQUIRED = "Bundle_Document_Date_Missing";
   public static final String DOCUMENT_DATE_REQUIRED_HTML = "Bundle_Document_Date_Missing_html";
diff --git a/org.hl7.fhir.utilities/src/main/resources/Messages.properties b/org.hl7.fhir.utilities/src/main/resources/Messages.properties
index fab96dfe2..17dcaa914 100644
--- a/org.hl7.fhir.utilities/src/main/resources/Messages.properties
+++ b/org.hl7.fhir.utilities/src/main/resources/Messages.properties
@@ -468,6 +468,8 @@ Error_parsing_ = Error parsing {0}:{1}
 Unable_to_connect_to_terminology_server_Use_parameter_tx_na_tun_run_without_using_terminology_services_to_validate_LOINC_SNOMED_ICDX_etc_Error__ = Unable to connect to terminology server. Use parameter ''-tx n/a'' to run without using terminology services to validate LOINC, SNOMED, ICD-X etc. Error = {0}
 Display_Name_for__should_be_one_of__instead_of_one = Wrong Display Name ''{4}'' for {1}#{2} - should be {3} (for the language(s) ''{5}'') 
 Display_Name_for__should_be_one_of__instead_of_other = Wrong Display Name ''{4}'' for {1}#{2} - should be one of {0} choices: {3} (for the language(s) ''{5}'')
+Display_Name_WS_for__should_be_one_of__instead_of_one = Wrong whitespace in Display Name ''{4}'' for {1}#{2} - should be {3} (for the language(s) ''{5}'') 
+Display_Name_WS_for__should_be_one_of__instead_of_other = Wrong whitespace in Display Name ''{4}'' for {1}#{2} - should be one of {0} choices: {3} (for the language(s) ''{5}'')
 Unknown_Code__in_ = Unknown Code ''{0}'' in the system ''{1}''
 UNKNOWN_CODE__IN_FRAGMENT = Unknown Code ''{0}'' in the system ''{1}'' - note that the code system is labeled as a fragment, so the code may be valid in some other fragment
 Code_found_in_expansion_however_ = Code found in expansion, however: {0}