From 9fcb647aa518a00fd39b2b171ba503d661a2a07e Mon Sep 17 00:00:00 2001
From: kojix2 <2xijok@gmail.com>
Date: Tue, 19 Jan 2021 15:14:57 +0900
Subject: [PATCH] Improve hist closed options desc

---
 README.md                     | 2 +-
 lib/youplot/command/parser.rb | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 984f30a..1492e3c 100644
--- a/README.md
+++ b/README.md
@@ -201,7 +201,7 @@ Usage: uplot histogram [options] <in.tsv>
 
 Options for histogram:
         --symbol VAL         character to be used to plot the bars
-        --closed VAL
+        --closed VAL         side of the intervals to be closed [left]
     -n, --nbins VAL          approximate number of bins
 
 Options:
diff --git a/lib/youplot/command/parser.rb b/lib/youplot/command/parser.rb
index 86a93ae..09a5a22 100644
--- a/lib/youplot/command/parser.rb
+++ b/lib/youplot/command/parser.rb
@@ -183,7 +183,7 @@ module YouPlot
             parser.on_head('-n', '--nbins VAL', Numeric, 'approximate number of bins') do |v|
               params.nbins = v
             end
-            parser.on_head('--closed VAL', String) do |v|
+            parser.on_head('--closed VAL', String, 'side of the intervals to be closed [left]') do |v|
               params.closed = v
             end
             parser.on_head('--symbol VAL', String, 'character to be used to plot the bars') do |v|