Fix type-o in docstring for json_reader_options (#10627)

Same as #10626 but against the correct branch

Authors:
   - David Gardner (https://github.com/dagardner-nv)

Approvers:
   - Christopher Harris (https://github.com/cwharris)
   - Yunsong Wang (https://github.com/PointKernel)

cpp/include/cudf/io/json.hpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020, NVIDIA CORPORATION.
+ * Copyright (c) 2020-2022, NVIDIA CORPORATION.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -44,8 +44,8 @@ class json_reader_options_builder;
 /**
  * @brief Input arguments to the `read_json` interface.
  *
- * Available parameters and are closely patterned after PANDAS' `read_json` API.
- * Not all parameters are unsupported. If the matching PANDAS' parameter
+ * Available parameters are closely patterned after PANDAS' `read_json` API.
+ * Not all parameters are supported. If the matching PANDAS' parameter
  * has a default value of `None`, then a default value of `-1` or `0` may be
  * used as the equivalent.
  *