diff --git a/include/boost/config/compiler/gcc.hpp b/include/boost/config/compiler/gcc.hpp
index f6ed92f5..8195b315 100644
--- a/include/boost/config/compiler/gcc.hpp
+++ b/include/boost/config/compiler/gcc.hpp
@@ -36,7 +36,7 @@
 #define BOOST_HAS_THREADS
 
 //
-// long long support: always turn this on here?
+// gcc has "long long"
 //
 #define BOOST_HAS_LONG_LONG