1 files changed, 3 insertions, 4 deletions
diff --git a/src/tac.c b/src/tac.c
index 20a45bfc2..c6a8cf695 100644
--- a/src/tac.c
+++ b/src/tac.c
@@ -137,11 +137,10 @@ Usage: %s [OPTION]... [FILE]...\n\
       fputs (_("\
 Write each FILE to standard output, last line first.\n\
 With no FILE, or when FILE is -, read standard input.\n\
-\n\
-"), stdout);
-      fputs (_("\
-Mandatory arguments to long options are mandatory for short options too.\n\
 "), stdout);
+
+      emit_mandatory_arg_note ();
+
       fputs (_("\
   -b, --before             attach the separator before instead of after\n\
   -r, --regex              interpret the separator as a regular expression\n\