add missing HISTORY information

1 files changed, 13 insertions, 0 deletions

diff --git a/mandoc.1 b/mandoc.1
index 9dbfa07a..e05c99f6 100644
--- a/mandoc.1
+++ b/mandoc.1
@@ -1836,6 +1836,19 @@ as if they were a text line.
 .Xr mdoc 7 ,
 .Xr roff 7 ,
 .Xr tbl 7
+.Sh HISTORY
+The
+.Nm
+utility first appeared in
+.Ox 4.8 .
+The option
+.Fl I
+appeared in
+.Ox 5.2 ,
+and
+.Fl aCcfhKklMSsw
+in
+.Ox 5.7 .
 .Sh AUTHORS
 .An -nosplit
 The