diff --git a/json.hpp b/json.hpp
index d728e533..ba59b99a 100644
--- a/json.hpp
+++ b/json.hpp
@@ -39,6 +39,7 @@ namespace json {
     class boolean;
     class null;
 
+    /// Parse an encoded form of JSON into a tree structure
     extern std::unique_ptr<node> parse (const boost::filesystem::path &path);
     extern std::unique_ptr<node> parse (const char *start, const char *stop);
     extern std::unique_ptr<node> parse (const char *start);