Clarified documentation for answer.

src/types.hpp

@@ -55,7 +55,7 @@ struct answer
 {
     std::uint16_t status{0}; //!< Status code.
     string headers;          //!< The headers of the response from the server.
-    string body;             //!< The response from the server.
+    string body;             //!< The response body from the server.
 
     /*!
      *  @brief  Returns true if #status is 200.