diff --git a/include/boost/uuid/detail/cstring.hpp b/include/boost/uuid/detail/cstring.hpp
index caec1507..7c6d5ee6 100644
--- a/include/boost/uuid/detail/cstring.hpp
+++ b/include/boost/uuid/detail/cstring.hpp
@@ -42,7 +42,7 @@ namespace detail {
 // memcpy
 
 // Note: The function below is a template to prevent an early check whether the function body can ever be evaluated in the context of a constant expression.
-//       It can't, and that causes compilation errors with clang. The function must still be marked as constexpr to be able to call them in other
+//       It can't, and that causes compilation errors with clang. The function must still be marked as constexpr to be able to call it in other
 //       functions that are constexpr, even if such calls are never evaluated in a constant expression. Otherwise, gcc 5 through 8 gets upset.
 
 template< typename = void >
diff --git a/include/boost/uuid/detail/simd_vector.hpp b/include/boost/uuid/detail/simd_vector.hpp
index fde583b2..cda8ff82 100644
--- a/include/boost/uuid/detail/simd_vector.hpp
+++ b/include/boost/uuid/detail/simd_vector.hpp
@@ -40,7 +40,7 @@ union simd_vector
         return *reinterpret_cast< const vector_type* >(bytes);
     }
 
-#if defined(BOOST_GCC) && (BOOST_GCC >= 40800)
+#if defined(BOOST_GCC) && (BOOST_GCC >= 40600)
 #pragma GCC diagnostic pop
 #endif
 };