diff --git a/cmake/config.cmake b/cmake/config.cmake
index c9105f8c..6c36a433 100644
--- a/cmake/config.cmake
+++ b/cmake/config.cmake
@@ -22,14 +22,14 @@ if( SC_USE_INTERNAL_ZLIB )
   include( ${CMAKE_CURRENT_LIST_DIR}/zlib.cmake )
 else()
   find_package( ZLIB )
-  
+
   if( NOT ZLIB_FOUND )
     set( SC_USE_INTERNAL_ZLIB ON )
     message( STATUS "Using internal zlib" )
     include( ${CMAKE_CURRENT_LIST_DIR}/zlib.cmake )
   else()
     set(CMAKE_REQUIRED_LIBRARIES ZLIB::ZLIB)
-  
+
     check_c_source_compiles(
       "#include <zlib.h>
       int main(){
diff --git a/doc/release_notes.txt b/doc/release_notes.txt
index 6f6145be..b565f0f9 100644
--- a/doc/release_notes.txt
+++ b/doc/release_notes.txt
@@ -23,6 +23,7 @@
 ### Build system
 
  - Streamline CMake configuration
+ - Make sure to use SC_ENABLE_* CMake variables
  - Adapt CMake CI to matrix of latest compilers
 
 ## 2.8.6