From caa4c5e055c44c2e48c317656ed0096f9a54b566 Mon Sep 17 00:00:00 2001
From: Kenta Murata <mrkn@mrkn.jp>
Date: Tue, 23 Mar 2021 14:40:29 +0900
Subject: [PATCH] Use string for gemspec's metadata key

---
 unicode_plot.gemspec | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/unicode_plot.gemspec b/unicode_plot.gemspec
index f3b6a80..bb4bf62 100644
--- a/unicode_plot.gemspec
+++ b/unicode_plot.gemspec
@@ -20,7 +20,7 @@ Gem::Specification.new do |spec|
   spec.license = "MIT"
 
   spec.metadata ||= {}
-  spec.metadata[:documentation_uri] = "https://red-data-tools.github.io/unicode_plot.rb/#{spec.version}/"
+  spec.metadata["documentation_uri"] = "https://red-data-tools.github.io/unicode_plot.rb/#{spec.version}/"
 
   spec.files = ["README.md", "Rakefile", "Gemfile", "#{spec.name}.gemspec"]
   spec.files << "LICENSE.txt"