1 files changed, 1 insertions, 0 deletions
diff --git a/tbl.7 b/tbl.7
index 986ed674..99b50f20 100644
--- a/tbl.7
+++ b/tbl.7
@@ -135,6 +135,7 @@ in the case of
 .Ss Options
 The first line of a table consists of space-separated option keys and
 modifiers terminated by a semicolon.
+For GNU compatibility, option keys can also be separated by commas.
 If the first line does not have a terminating semicolon, it is assumed
 that no options are specified and instead a
 .Sx Layout