1 files changed, 4 insertions, 0 deletions
diff --git a/Readme.md b/Readme.md
index 5948bd1..c003495 100644
--- a/Readme.md
+++ b/Readme.md
@@ -186,3 +186,7 @@ note
 
 this program requires a POSIX environment. it also makes use of the `timegm`
 function, which is a non-standard extension but commonly implemented.
+
+because of how `time.h` defines `struct tm`, and of how active events are
+calculated, every will not work correctly on architectures where `int` is
+smaller than 32 bits