diff --git a/CMakeLists.txt b/CMakeLists.txt
index f20db53e..f930515f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -84,6 +84,7 @@ endif()
 if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
   add_compile_options(-fdiagnostics-color=always)
   # For gcc, -O3 is *much* worse than -O2
+  # Update: This is still true for gcc-12
   set(CMAKE_C_FLAGS_RELEASE "-DNDEBUG -O2 -g")
   set(CMAKE_CXX_FLAGS_RELEASE "-DNDEBUG -O2 -g")
 elseif("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")