From 2eba25b730c3197f45bee550ea61c2dce4da0fee Mon Sep 17 00:00:00 2001
From: Boris Faure <billiob@gmail.com>
Date: Wed, 28 Sep 2022 22:36:28 +0200
Subject: [PATCH] tyalpha: better documentation

---
 man/terminology-helpers.1 | 4 +++-
 src/bin/tyalpha.c         | 2 ++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/man/terminology-helpers.1 b/man/terminology-helpers.1
index 06d0d392..1190b439 100644
--- a/man/terminology-helpers.1
+++ b/man/terminology-helpers.1
@@ -10,7 +10,9 @@ List directory contents with bells and whistles
 .
 .TP
 .B tyalpha [-h][-p] on|off|<opacity level>
-Set transparency level of the background
+Set transparency level of the background.
+
+<opacity> is between 0 and 100.
 .
 .TP
 .B tybg [-h] [-p] [FILE1 FILE2 ...]
diff --git a/src/bin/tyalpha.c b/src/bin/tyalpha.c
index ce22792a..075911d8 100644
--- a/src/bin/tyalpha.c
+++ b/src/bin/tyalpha.c
@@ -14,6 +14,8 @@ print_usage(const char *argv0)
           "  Change the terminal transparency on or off\n"
           "  -p  Make change permanent (stored in config)\n"
           HELP_ARGUMENT_DOC"\n"
+          "\n"
+          "<opacity> is between 0 and 100\n"
           "\n",
           argv0);
 }