1 files changed, 7 insertions, 0 deletions
diff --git a/mandoc.1 b/mandoc.1
index ebb7df57..04902e35 100644
--- a/mandoc.1
+++ b/mandoc.1
@@ -1118,6 +1118,13 @@ macro has an invalid argument.
 It is used verbatim, with
 .Qq "AT&T UNIX "
 prefixed to it.
+.It Sy "comma in function argument"
+.Pq mdoc
+An argument of an
+.Ic \&Fa
+or
+.Ic \&Fn
+macro contains a comma; it should probably be split into two arguments.
 .It Sy "invalid content in Rs block"
 .Pq mdoc
 An