message: fix wrong doc
diff: @@ -663,7 +663,7 @@ namespace Azure { namespace Core { namespace Http {
  // ===== Methods used to build HTTP response =====
  /**
  - * @brief Set an HTTP header to the #Azure::Core::Http::Request.
  + * @brief Set an HTTP header to the #RawResponse.
  *
  * @remark The \p name must contain valid header name characters (RFC 7230).
  *
  @@ -675,7 +675,7 @@ namespace Azure { namespace Core { namespace Http {
  void SetHeader(std::string const& name, std::string const& value);
  /**
  - * @brief Set an HTTP header to the #Azure::Core::Http::Request.
  + * @brief Set an HTTP header to the #RawResponse.
  *
  * @remark The \p header must contain valid header name characters (RFC 7230).
  * @remark Header name, value and delimiter are expected to be in \p header.
  @@ -687,7 +687,7 @@ namespace Azure { namespace Core { namespace Http {
  void SetHeader(std::string const& header);
  /**
  - * @brief Set an HTTP header to the #Azure::Core::Http::Request.
  + * @brief Set an HTTP header to the #RawResponse.
  *
  * @remark The string referenced by \p first and \p last must contain valid header name
  * characters (RFC 7230).
  