diff --git a/fluent/Callback.h b/fluent/Callback.h
index bd3eadf..34b0789 100644
--- a/fluent/Callback.h
+++ b/fluent/Callback.h
@@ -58,24 +58,24 @@ namespace detail
     template<typename... Args>
     struct WeakProxyFactory<std::weak_ptr<std::function<void(Args...)>>>
     {
-	static Callback<Args...> CreateProxy(WeakCallback<Args...> const& weak)
-	{
-	    return [=](Args&&... args)
+	    static Callback<Args...> CreateProxy(WeakCallback<Args...> const& weak)
+	    {
+	        return [=](Args&&... args)
             {
                 if (auto const callback = weak.lock())
-		    // FIXME: use std::forward
-                    (*callback)(args...);
+		        // FIXME: use std::forward
+                (*callback)(args...);
             };
-	}
+	    }
     };
 
     template<typename... Args>
     struct WeakProxyFactory<std::shared_ptr<std::function<void(Args...)>>>
     {
-	static Callback<Args...> CreateProxy(SharedCallback<Args...> const& shared)
-	{
-	    return WeakProxyFactory<std::weak_ptr<std::function<void(Args...)>>>::CreateProxy(shared);
-	}
+	    static Callback<Args...> CreateProxy(SharedCallback<Args...> const& shared)
+	    {
+	        return WeakProxyFactory<std::weak_ptr<std::function<void(Args...)>>>::CreateProxy(shared);
+	    }
     };
 
 } // detail
@@ -97,7 +97,7 @@ inline shared_callback_of_t<_CTy>
         (std::forward<callback_of_t<_CTy>>(callback));
 };
 
-/// Creates a weak callback which wrapps the given shared or weak callback.
+/// Creates a weak callback which wraps the given shared or weak callback.
 /// If the given managed callback expires the callback is not invoked anymore.
 template<typename _CTy>
 inline auto make_weak_wrapped_callback(_CTy const& callback)