diff --git a/operations.md b/operations.md
index f4166c1..6e52e5e 100644
--- a/operations.md
+++ b/operations.md
@@ -60,6 +60,9 @@ operation. The MIC1 only support left shifting 8, and right rotating 1:
 	<< 8
 	>> 1
 
+It is very important to note that the N and Z flip-flops are set after the ALU
+operation, not after eventual shifting.
+
 ### Summary
 
 It is thus possible to take several different smaller parts, and combine them