Fix comment error.

PiperOrigin-RevId: 609830695

src/google/protobuf/descriptor.h

@@ -494,11 +494,11 @@ class PROTOBUF_EXPORT Descriptor : private internal::SymbolBase {
       return containing_type_->full_name();
     }
 
-    // Returns the .proto file in which this oneof was defined.
+    // Returns the .proto file in which this range was defined.
     // Never nullptr.
     const FileDescriptor* file() const { return containing_type_->file(); }
 
-    // Returns the Descriptor for the message containing this oneof.
+    // Returns the Descriptor for the message containing this range.
     // Never nullptr.
     const Descriptor* containing_type() const { return containing_type_; }