diff --git a/doc/v2/args.html b/doc/v2/args.html
index 561ba346..e04720b7 100644
--- a/doc/v2/args.html
+++ b/doc/v2/args.html
@@ -101,7 +101,7 @@ namespace boost { namespace python
         struct arg 
         {
           template <class T>
-                  arg &perator = (T const &value);
+                  arg &operator = (T const &value);
           explicit arg (char const *name){elements[0].name = name;}
         };