cpp is probably correct

TylerMSFT · TylerMSFT · commit 32b66854b591 · 2025-05-30T14:41:29.000-07:00
diff --git a/docs/docfx.json b/docs/docfx.json
@@ -50,7 +50,7 @@
         "cplusplus"
       ],
       "dev_langs": [
-        "C++"
+        "cpp"
       ],
       "searchScope": [
         "C++"
