Update our docs to state a minimum requirement of Ruby 2.5, since we

don't test on 2.3 anymore.

closes #16868
refs #16861

Arvados-DCO-1.1-Signed-off-by: Ward Vandewege <ward@curii.com>

diff --git a/doc/_includes/_install_ruby_and_bundler.liquid b/doc/_includes/_install_ruby_and_bundler.liquid
index d14e555f89bcdbe35a93ecc7e859a98cea60587c..9ea8c92cd5ac41fadbdbd4d3a4b91ae992fe2355 100644 (file)
--- a/doc/_includes/_install_ruby_and_bundler.liquid
+++ b/doc/_includes/_install_ruby_and_bundler.liquid
@@ -4,7 +4,7 @@ Copyright (C) The Arvados Authors. All rights reserved.
 SPDX-License-Identifier: CC-BY-SA-3.0
 {% endcomment %}
 
-Minimum of Ruby 2.3 is required.  Ruby 2.5 is recommended.
+Ruby 2.5 or newer is required.
 
 * "Option 1: Install from packages":#packages
 * "Option 2: Install with RVM":#rvm
@@ -13,16 +13,16 @@ Minimum of Ruby 2.3 is required.  Ruby 2.5 is recommended.
 h2(#packages). Option 1: Install from packages
 
 {% include 'notebox_begin' %}
-Future versions of Arvados may require a newer version of Ruby than is packaged with your OS.  Using OS packages simplifies initial install, but may complicate upgrades that rely on a newer Ruby.  If this is a concern, we recommend using "RVM.":#rvm
+Future versions of Arvados may require a newer version of Ruby than is packaged with your OS.  Using OS packages simplifies initial install, but may complicate upgrades that rely on a newer Ruby.  If this is a concern, we recommend using "RVM":#rvm.
 {% include 'notebox_end' %}
 
 h3. Centos 7
 
-The Ruby version shipped with Centos 7 is too old.  Use "RVM.":#rvm
+The Ruby version shipped with Centos 7 is too old.  Use "RVM":#rvm.
 
 h3. Debian and Ubuntu
 
-Debian 9 (stretch) and Ubuntu 16.04 (xenial) ship Ruby 2.3, which is sufficient to run Arvados.  Later releases have newer versions of Ruby that can also run Arvados.
+Debian 9 (stretch) and Ubuntu 16.04 (xenial) ship Ruby 2.3, which is too old to run Arvados.  Use "RVM":#rvm. Later releases have newer versions of Ruby that can also run Arvados.
 
 <notextile>
 <pre><code># <span class="userinput">apt-get --no-install-recommends install ruby ruby-dev bundler</span></code></pre>