fix typo in doc

Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/30518

Differential Revision: D18729361

Pulled By: albanD

fbshipit-source-id: 4e386b99e898b9cd8f9a21dff642d0f40355899f
diff --git a/c10/core/TensorTypeId.h b/c10/core/TensorTypeId.h
index e1bcbc2..48ccbb9 100644
--- a/c10/core/TensorTypeId.h
+++ b/c10/core/TensorTypeId.h
@@ -45,7 +45,7 @@
   // WARNING! If you add more "wrapper" style tensor ids (tensor
   // ids which don't get kernels directly defined in native_functions.yaml;
   // examples are tracing or profiling) here, you need to also adjust
-  // legacyExtractTypeId in c10/core/TensorTypeId.h to mask them out.
+  // legacyExtractTypeId in c10/core/TensorTypeSet.h to mask them out.
 
   VariableTensorId,