diff --git a/docs/en/020_Installation/010_Requirements.md b/docs/en/020_Installation/010_Requirements.md
index 425c4c0..e7c11e2 100644
--- a/docs/en/020_Installation/010_Requirements.md
+++ b/docs/en/020_Installation/010_Requirements.md
@@ -1,6 +1,6 @@
 The Arsse has the following requirements:
 
-- A Linux server utilizing systemd and Nginx (tested on Ubuntu 16.04)
+- A Linux server running Nginx (tested on Ubuntu 16.04 and 18.04)
 - PHP 7.0.7 or later with the following extensions:
     - [intl](http://php.net/manual/en/book.intl.php), [json](http://php.net/manual/en/book.json.php), and [hash](http://php.net/manual/en/book.hash.php)
     - [dom](http://php.net/manual/en/book.dom.php), [simplexml](http://php.net/manual/en/book.simplexml.php), and [iconv](http://php.net/manual/en/book.iconv.php) (for picoFeed)
@@ -8,4 +8,6 @@ The Arsse has the following requirements:
         - [sqlite3](http://php.net/manual/en/book.sqlite3.php) or [pdo_sqlite](http://php.net/manual/en/ref.pdo-sqlite.php) for SQLite databases
         - [pgsql](http://php.net/manual/en/book.pgsql.php) or [pdo_pgsql](http://php.net/manual/en/ref.pdo-pgsql.php) for PostgreSQL 10 or later databases
         - [mysqli](http://php.net/manual/en/book.mysqli.php) or [pdo_mysql](http://php.net/manual/en/ref.pdo-mysql.php) for MySQL 8.0.7 or later databases
-- Privileges to create and run daemon processes on the server
+- Privileges either to create and run systemd services, or to run cron jobs
+
+It is also be possible to run The Arsse on other operating systems (including Windows) and with other Web servers, but the configuration required to do so is not documented here.
diff --git a/docs/en/040_Compatible_Clients.md b/docs/en/040_Compatible_Clients.md
index 50718660..38a1414 100644
--- a/docs/en/040_Compatible_Clients.md
+++ b/docs/en/040_Compatible_Clients.md
@@ -107,6 +107,17 @@ The Arsse does not at this time have any first party clients. However, because T
     <p>Very basic client; now discontinued.</p>
    </td>
   </tr>
+  </tr>
+  <tr>
+   <td><a href="https://github.com/matoung/SparkReader">SparkReader</a></td>
+   <td>Windows</td>
+   <td class="N">✘</td>
+   <td class="N">✘</td>
+   <td class="Y">✔</td>
+   <td>
+    <p></p>
+   </td>
+  </tr>
   <tr>
    <td><a href="https://www.microsoft.com/store/apps/9wzdncrdmbn3">Tiny Tiny RSS Reader</td>
    <td>Windows</td>