diff --git a/stdlib/xml/dom/minidom.pyi b/stdlib/xml/dom/minidom.pyi
index 7645bd79e9c1..f7663165fb59 100644
--- a/stdlib/xml/dom/minidom.pyi
+++ b/stdlib/xml/dom/minidom.pyi
@@ -265,10 +265,10 @@ class Notation(Identified, Childless, Node):
     def __init__(self, name, publicId, systemId) -> None: ...
 
 class DOMImplementation(DOMImplementationLS):
-    def hasFeature(self, feature, version) -> bool: ...
-    def createDocument(self, namespaceURI: str | None, qualifiedName: str | None, doctype): ...
-    def createDocumentType(self, qualifiedName: str | None, publicId, systemId): ...
-    def getInterface(self, feature): ...
+    def hasFeature(self, feature: str, version: str | None) -> bool: ...
+    def createDocument(self, namespaceURI: str | None, qualifiedName: str | None, doctype: DocumentType | None) -> Document: ...
+    def createDocumentType(self, qualifiedName: str | None, publicId: str, systemId: str) -> DocumentType: ...
+    def getInterface(self: Self, feature: str) -> Self | None: ...
 
 class ElementInfo:
     tagName: Any