diff --git a/fio.1 b/fio.1
index 4445c71..d372727 100644
--- a/fio.1
+++ b/fio.1
@@ -692,6 +692,11 @@
 If true, exit the job on the first observed verification failure.  Default:
 false.
 .TP
+.BI verify_dump \fR=\fPbool
+If set, dump the contents of both the original data block and the data block we
+read off disk to files. This allows later analysis to inspect just what kind of
+data corruption occurred. On by default.
+.TP
 .BI verify_async \fR=\fPint
 Fio will normally verify IO inline from the submitting thread. This option
 takes an integer describing how many async offload threads to create for IO