diff --git a/sdk-api-src/content/winstring/nf-winstring-windowscreatestring.md b/sdk-api-src/content/winstring/nf-winstring-windowscreatestring.md
index 3f78247963dc..78299ae4eb4e 100644
--- a/sdk-api-src/content/winstring/nf-winstring-windowscreatestring.md
+++ b/sdk-api-src/content/winstring/nf-winstring-windowscreatestring.md
@@ -58,7 +58,9 @@ Creates a new [**HSTRING**](/windows/win32/winrt/hstring) based on the specified
 
 Type: [in, optional] <b>LPCWSTR</b>
 
-A null-terminated string to use as the source for the new [**HSTRING**](/windows/win32/winrt/hstring). To create a new, empty, or <b>NULL</b> string, pass <b>NULL</b> for <i>sourceString</i> and 0 for <i>length</i>.
+The UTF-16LE-encoded text buffer to use as the source for the new [**HSTRING**](/windows/win32/winrt/hstring). To create a new, empty, or <b>NULL</b> string, pass <b>NULL</b> for <i>sourceString</i> and 0 for <i>length</i>.
+
+This buffer is not required to be null-terminated. <b>WindowsCreateString</b> will copy its contents and add a null-terminator in the new buffer backing the returned [**HSTRING**](/windows/win32/winrt/hstring).
 
 ### -param length