Add small comment

CMakeLists.txt

@@ -443,6 +443,9 @@ ADD_LIBRARY(${PROJECT_NAME}
   ${SRCS_WRAPPER}
   ${SRCS_YAML}
   )
+  
+# Set compiler options
+# ====================  
 if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
   message(STATUS "Using C++ compiler clang")
   target_compile_options(${PROJECT_NAME} PRIVATE -Winconsistent-missing-override)