Updated docs.

[SVN r77943]

example/noncopyable_cxx11_lambda_error.cpp

@@ -13,12 +13,13 @@
 #include <boost/noncopyable.hpp>
 #include <cassert>
 
-//[noncopyable_lambda_error
+//[noncopyable_cxx11_lambda_error
 struct n: boost::noncopyable {
     int i;
     n(int _i): i(_i) {}
 };
 
+
 int main(void) {
     n x(-1);