diff --git a/docs/cppcx/codesnippet/CPP/walkthrough-creating-a-windows-store-app-using-wrl-and-media-foundation_4.cpp b/docs/cppcx/codesnippet/CPP/walkthrough-creating-a-windows-store-app-using-wrl-and-media-foundation_4.cpp
index 9bdeebfd49..d1f9151501 100644
--- a/docs/cppcx/codesnippet/CPP/walkthrough-creating-a-windows-store-app-using-wrl-and-media-foundation_4.cpp
+++ b/docs/cppcx/codesnippet/CPP/walkthrough-creating-a-windows-store-app-using-wrl-and-media-foundation_4.cpp
@@ -1386,7 +1386,7 @@ HRESULT CGrayscale::ProcessOutput(
 
 // Create a partial media type from our list.
 //
-// dwTypeIndex: Index into the list of peferred media types.
+// dwTypeIndex: Index into the list of preferred media types.
 // ppmt:        Receives a pointer to the media type.
 
 HRESULT CGrayscale::OnGetPartialType(DWORD dwTypeIndex, IMFMediaType **ppmt)