diff --git a/src/functions.php b/src/functions.php
index 103cd514e47d8f5ada15315c69e568b91999645d..876282c76f73b4c64dbf67a3f14f3c3733406cbf 100644
--- a/src/functions.php
+++ b/src/functions.php
@@ -5,7 +5,7 @@
 
 // todo: use only assert( ... ) instead of exceptions; to be compatible without configuration with PHP env
 // todo: [performance] separate code itself into autoloaded class
-// todo: better assertion messages + throw AssertFunctionError
+// todo: better assertion messages + throw AssertFunctionError + catch in fn + pass it to assert -> compatible with PHP assert config
 // todo: covariance and contra-variance
 
 namespace Grifart\AssertFunction;