diff --git a/include/boost/python/detail/make_keyword_range_fn.hpp b/include/boost/python/detail/make_keyword_range_fn.hpp
index 634bbb99..c4795cf8 100644
--- a/include/boost/python/detail/make_keyword_range_fn.hpp
+++ b/include/boost/python/detail/make_keyword_range_fn.hpp
@@ -57,7 +57,7 @@ object make_keyword_range_constructor(
     , Holder* = 0                       
     , ArgList* = 0, Arity* = 0)
 {
-#if !defined( BOOST_PYTHON_NO_PY_SIGNATURES) && defined( BOOST_PYTHON_PY_SYGNATURES_PROPER_INIT_SELF_TYPE)
+#if !defined( BOOST_PYTHON_NO_PY_SIGNATURES) && defined( BOOST_PYTHON_PY_SIGNATURES_PROPER_INIT_SELF_TYPE)
     python_class<BOOST_DEDUCED_TYPENAME Holder::value_type>::register_();
 #endif
     return detail::make_keyword_range_function(
diff --git a/include/boost/python/object/class_metadata.hpp b/include/boost/python/object/class_metadata.hpp
old mode 100755
new mode 100644
index 0738bbe3..155ae35d
--- a/include/boost/python/object/class_metadata.hpp
+++ b/include/boost/python/object/class_metadata.hpp
@@ -238,7 +238,7 @@ struct class_metadata
     //
     inline static void maybe_register_pointer_to_python(...) {}
 
-#ifndef BOOST_PYTHON_NO_PY_SYGNATURES
+#ifndef BOOST_PYTHON_NO_PY_SIGNATURES
     inline static void maybe_register_pointer_to_python(void*,void*,mpl::true_*) 
     {
         objects::copy_class_object(python::type_id<T>(), python::type_id<back_reference<T const &> >());
@@ -255,7 +255,7 @@ struct class_metadata
               , make_ptr_instance<T2, pointer_holder<held_type, T2> >
             >()
         );
-#ifndef BOOST_PYTHON_NO_PY_SYGNATURES
+#ifndef BOOST_PYTHON_NO_PY_SIGNATURES
         // explicit qualification of type_id makes msvc6 happy
         objects::copy_class_object(python::type_id<T2>(), python::type_id<held_type>());
 #endif
@@ -270,7 +270,7 @@ struct class_metadata
     inline static void maybe_register_class_to_python(T2*, mpl::false_)
     {
         python::detail::force_instantiate(class_cref_wrapper<T2, make_instance<T2, holder> >());
-#ifndef BOOST_PYTHON_NO_PY_SYGNATURES
+#ifndef BOOST_PYTHON_NO_PY_SIGNATURES
         // explicit qualification of type_id makes msvc6 happy
         objects::copy_class_object(python::type_id<T2>(), python::type_id<held_type>());
 #endif
diff --git a/include/boost/python/object/make_holder.hpp b/include/boost/python/object/make_holder.hpp
index eb3c603d..0d54dd9f 100644
--- a/include/boost/python/object/make_holder.hpp
+++ b/include/boost/python/object/make_holder.hpp
@@ -12,7 +12,7 @@
 
 #  include <boost/python/object/instance.hpp>
 #  include <boost/python/converter/registry.hpp>
-#if !defined( BOOST_PYTHON_NO_PY_SIGNATURES) && defined( BOOST_PYTHON_PY_SYGNATURES_PROPER_INIT_SELF_TYPE)
+#if !defined( BOOST_PYTHON_NO_PY_SIGNATURES) && defined( BOOST_PYTHON_PY_SIGNATURES_PROPER_INIT_SELF_TYPE)
 #  include <boost/python/detail/python_type.hpp>
 #endif
 
@@ -81,7 +81,7 @@ struct make_holder<N>
 # endif 
         
         static void execute(
-#if !defined( BOOST_PYTHON_NO_PY_SIGNATURES) && defined( BOOST_PYTHON_PY_SYGNATURES_PROPER_INIT_SELF_TYPE)
+#if !defined( BOOST_PYTHON_NO_PY_SIGNATURES) && defined( BOOST_PYTHON_PY_SIGNATURES_PROPER_INIT_SELF_TYPE)
             boost::python::detail::python_class<BOOST_DEDUCED_TYPENAME Holder::value_type> *p
 #else
             PyObject *p