fix code language

Author: gewarren

docs/fundamentals/code-analysis/quality-rules/ca2022.md

@@ -37,7 +37,7 @@ To fix a violation, either check the return value (which is the total number of
 The following code snippet shows a violation of CA2022 and the fix for the violation.
 
 :::code language="csharp" source="snippets/csharp/all-rules/ca2022.cs" id="1":::
-:::code language="csharp" source="snippets/vb/all-rules/ca2022.vb" id="1":::
+:::code language="vb" source="snippets/vb/all-rules/ca2022.vb" id="1":::
 
 ## When to suppress warnings