diff --git a/keyboards/dtd/ldmlKeyboard3.dtd b/keyboards/dtd/ldmlKeyboard3.dtd
index e6bc5cbe1e9..633aece6729 100644
--- a/keyboards/dtd/ldmlKeyboard3.dtd
+++ b/keyboards/dtd/ldmlKeyboard3.dtd
@@ -171,7 +171,7 @@ Please view the subcommittee page for the most recent information.
     <!--@MATCH:any-->
     <!--@VALUE-->
 
-<!ELEMENT variables ( import*, string*, set*, uSet*, special* ) >
+<!ELEMENT variables ( import*, string*, set*, uset*, special* ) >
     <!--@TECHPREVIEW-->
 
 <!ELEMENT string EMPTY >
@@ -190,10 +190,10 @@ Please view the subcommittee page for the most recent information.
     <!--@VALUE-->
     <!--@ALLOWS_UESC-->
 
-<!ELEMENT uSet EMPTY >
-<!ATTLIST uSet id NMTOKEN #REQUIRED >
+<!ELEMENT uset EMPTY >
+<!ATTLIST uset id NMTOKEN #REQUIRED >
     <!--@MATCH:regex/[0-9A-Za-z_]{1,32}-->
-<!ATTLIST uSet value CDATA #REQUIRED >
+<!ATTLIST uset value CDATA #REQUIRED >
     <!--@MATCH:any-->
     <!--@VALUE-->
 
diff --git a/keyboards/dtd/ldmlKeyboard3.xsd b/keyboards/dtd/ldmlKeyboard3.xsd
index 0799c14087d..9a445135fc8 100644
--- a/keyboards/dtd/ldmlKeyboard3.xsd
+++ b/keyboards/dtd/ldmlKeyboard3.xsd
@@ -316,7 +316,7 @@ Note: DTD @-annotations are not currently converted to .xsd. For full CLDR file
         <xs:element maxOccurs="unbounded" minOccurs="0" ref="import"/>
         <xs:element maxOccurs="unbounded" minOccurs="0" ref="string"/>
         <xs:element maxOccurs="unbounded" minOccurs="0" ref="set"/>
-        <xs:element maxOccurs="unbounded" minOccurs="0" ref="uSet"/>
+        <xs:element maxOccurs="unbounded" minOccurs="0" ref="uset"/>
         <xs:element maxOccurs="unbounded" minOccurs="0" ref="special"/>
       </xs:sequence>
     </xs:complexType>
@@ -342,7 +342,7 @@ Note: DTD @-annotations are not currently converted to .xsd. For full CLDR file
 
 
 
-  <xs:element name="uSet">
+  <xs:element name="uset">
     <xs:complexType>
       <xs:attribute name="id" type="xs:NMTOKEN" use="required"/>
       <xs:attribute name="value" use="required"/>
diff --git a/tools/cldr-code/src/test/java/org/unicode/cldr/unittest/TestDtdData.java b/tools/cldr-code/src/test/java/org/unicode/cldr/unittest/TestDtdData.java
index 94c74885e66..b2f54ba9a0d 100644
--- a/tools/cldr-code/src/test/java/org/unicode/cldr/unittest/TestDtdData.java
+++ b/tools/cldr-code/src/test/java/org/unicode/cldr/unittest/TestDtdData.java
@@ -777,7 +777,7 @@ public boolean isDistinguishingOld(DtdType dtdType, String elementName, String a
                         || elementName.equals("layer") && attribute.equals("id")
                         || elementName.equals("string") && attribute.equals("id")
                         || elementName.equals("set") && attribute.equals("id")
-                        || elementName.equals("uSet") && attribute.equals("id")) {
+                        || elementName.equals("uset") && attribute.equals("id")) {
                     return true;
                 }
                 // fall through to old keyboard