fix snippet ref

Author: gewarren

docs/fundamentals/code-analysis/quality-rules/ca2265.md

@@ -35,7 +35,7 @@ Remove the redundant comparison or make the code more explicit by calling <xref:
 
 The following code snippet shows two violations of CA2265 and the fix for the violations.
 
-:::code language="vb" source="snippets/vb/all-rules/ca2265.vb":::
+:::code language="csharp" source="snippets/csharp/all-rules/ca2265.cs" id="1":::
 
 ## When to suppress warnings