diff --git a/man/gbz80.7 b/man/gbz80.7
index ddfdeb9a..9c9b82af 100644
--- a/man/gbz80.7
+++ b/man/gbz80.7
@@ -657,7 +657,7 @@ Set if result is 0.
 .It Sy H
 0
 .It Sy C
-Set or reset depending on the operation.
+Set or unaffected depending on the operation.
 .El
 .Ss DEC r8
 Decrement the value in register