diff --git a/usr.bin/yacc/yyfix.1 b/usr.bin/yacc/yyfix.1
index 0ceb69176bab..a4d9a31bd1e8 100644
--- a/usr.bin/yacc/yyfix.1
+++ b/usr.bin/yacc/yyfix.1
@@ -103,7 +103,7 @@ are extracted from the current version of
 .Sh FILES
 .Bl -tag -width y.tab.c
 .It Pa y.tab.c
-file from which tables are extracted
+File from which tables are extracted.
 .El
 .Sh SEE ALSO
 .Xr yacc 1