diff --git a/xml/openapi/resources/messages/XmlBundle.properties b/xml/openapi/resources/messages/XmlBundle.properties
index 377cd35d44bb..d2f90501a559 100644
--- a/xml/openapi/resources/messages/XmlBundle.properties
+++ b/xml/openapi/resources/messages/XmlBundle.properties
@@ -157,7 +157,7 @@ xml2xsd.generator.error=Instance 2 Schema generator error
 local.elements.global.complex.types.option.name=local elements/global complex types
 local.elements.types.option.name=local elements/types
 global.elements.local.types.option.name=global elements/local types
-select.xml.document.dialog.title=Select Xml Document
+select.xml.document.dialog.title=Select XML Document
 generate.instance.document.from.schema.dialog.title=Generate Instance Document From Schema
 xmlbeans.instance.document.name.tooltip=Instance document file name to be generated
 schema2instance.dialog.schema.path=Schema path:
diff --git a/xml/tests/testData/xml/CommentBeforeProlog.xml b/xml/tests/testData/xml/CommentBeforeProlog.xml
index d020956e7cb1..33af1300d1a6 100644
--- a/xml/tests/testData/xml/CommentBeforeProlog.xml
+++ b/xml/tests/testData/xml/CommentBeforeProlog.xml
@@ -1,3 +1,3 @@
-<error descr="Xml declaration should precede all document content"><!--Comment--></error>
+<error descr="XML declaration should precede all document content"><!--Comment--></error>
 <?xml version="1.0"?>
 <foo />
\ No newline at end of file
diff --git a/xml/xml-analysis-api/resources/messages/XmlAnalysisBundle.properties b/xml/xml-analysis-api/resources/messages/XmlAnalysisBundle.properties
index 83964d0bb148..23a0961e8b6a 100644
--- a/xml/xml-analysis-api/resources/messages/XmlAnalysisBundle.properties
+++ b/xml/xml-analysis-api/resources/messages/XmlAnalysisBundle.properties
@@ -27,7 +27,7 @@ xml.inspections.duplicate.attribute=Duplicate attribute {0}
 xml.inspections.attribute.is.not.allowed.here=Attribute {0} is not allowed here
 xml.inspections.attribute.should.be.preceded.with.space=There should be a space between attribute and previous attribute
 xml.inspections.cdata.end.should.not.appear.in.content=Character sequence ']]>' must not appear in content unless used to mark the end of a CDATA section
-xml.inspections.xml.declaration.should.precede.all.document.content=Xml declaration should precede all document content
+xml.inspections.xml.declaration.should.precede.all.document.content=XML declaration should precede all document content
 xml.inspections.duplicate.id.reference=Duplicate id reference
 xml.inspections.element.doesnt.have.required.attribute=Element {0} doesn''t have required attribute {1}
 xml.inspections.invalid.id.reference=Invalid id reference