diff --git a/include/onnxruntime/core/session/onnxruntime_c_api.h b/include/onnxruntime/core/session/onnxruntime_c_api.h
index 74ed0416b2..0bfea0e388 100644
--- a/include/onnxruntime/core/session/onnxruntime_c_api.h
+++ b/include/onnxruntime/core/session/onnxruntime_c_api.h
@@ -3433,6 +3433,7 @@ struct OrtApi {
   ORT_CLASS_RELEASE(Op);
 
   /** \brief: Append execution provider to the session options.
+   * \param[in] options
    * \param[in] provider_name - provider to add.
    * \param[in] provider_options_keys - keys to configure the provider options
    * \param[in] provider_options_values - values to configure the provider options
diff --git a/include/onnxruntime/core/session/onnxruntime_cxx_api.h b/include/onnxruntime/core/session/onnxruntime_cxx_api.h
index 3f5206eaea..1c48a68aa7 100644
--- a/include/onnxruntime/core/session/onnxruntime_cxx_api.h
+++ b/include/onnxruntime/core/session/onnxruntime_cxx_api.h
@@ -496,7 +496,7 @@ struct ModelMetadata : Base<OrtModelMetadata> {
 
   /** \brief Looks up a value by a key in the Custom Metadata map
    *
-   * \param zero terminated string key to lookup
+   * \param key zero terminated string key to lookup
    * \param allocator to allocate memory for the copy of the string returned
    * \return a instance of smart pointer that would deallocate the buffer when out of scope.
    *  maybe nullptr if key is not found.