diff --git a/md5.macros b/md5.macros
index 68f9655..66dde5b 100644
--- a/md5.macros
+++ b/md5.macros
@@ -334,7 +334,7 @@
 	mend
 
 
-* One part of the loop for processing blocks (20 iterations)
+* One part of the loop for processing blocks (16 iterations)
 	macro
 	BlockLoopPart &part