X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=doc%2Fman%2Flttng.1;h=09c77d1d3a99feee543c4e96fc7a5555423d0d35;hp=483df2aefab2cd8799d6db18e3b7d7c6dc4bf535;hb=33fbd46910b681a74b2493cff8c86979ec35ccc9;hpb=69a4426c5cb5ebd33ae998ba42b2b093ebe34333

diff --git a/doc/man/lttng.1 b/doc/man/lttng.1
index 483df2aef..09c77d1d3 100644
--- a/doc/man/lttng.1
+++ b/doc/man/lttng.1
@@ -402,7 +402,8 @@ Apply to the user-space tracer
 Discard event when subbuffers are full (default)
 .TP
 .BR "\-\-overwrite"
-Flight recorder mode : overwrites events when subbuffers are full
+Flight recorder mode: overwrites events when subbuffers are full. The
+number of subbuffer must be 2 or more.
 .TP
 .BR "\-\-subbuf-size SIZE"
 Subbuffer size in bytes {+k,+M,+G}.