diff --git a/libfreefare/mad.3 b/libfreefare/mad.3
index 1f53c12..4f5c378 100644
--- a/libfreefare/mad.3
+++ b/libfreefare/mad.3
@@ -77,7 +77,7 @@ Mifare card manipulation library (libfreefare, \-lfreefare)
 .Ft ssize_t
 .Fn mad_application_read "MifareTag tag" "Mad mad" "MadAid aid" "void *buf" "size_t nbytes" "MifareClassicKey key" "MifareClassicKeyType key_type"
 .Ft ssize_t
-.Fn mad_application_write "MifareTag tag" "Mad mad" "MadAid aid" "const void *buf" size_t nbytes" "MifareClassicKey key" "MifareClassicKeyType key_type"
+.Fn mad_application_write "MifareTag tag" "Mad mad" "MadAid aid" "const void *buf" "size_t nbytes" "MifareClassicKey key" "MifareClassicKeyType key_type"
 .\"  ____                      _       _   _
 .\" |  _ \  ___  ___  ___ _ __(_)_ __ | |_(_) ___  _ __
 .\" | | | |/ _ \/ __|/ __| '__| | '_ \| __| |/ _ \| '_ \