--- a/xml/en/docs/njs/index.xml
+++ b/xml/en/docs/njs/index.xml
@@ -9,7 +9,7 @@
 <article name="njs scripting language"
         link="/en/docs/njs/index.html"
         lang="en"
-        rev="29"
+        rev="30"
         toc="no">
 
 <section id="summary">
@@ -57,6 +57,10 @@ The compliance is still <link doc="compa
 <link doc="cli.xml"/>
 </listitem>
 
+<listitem>
+<link id="tested_os_and_platforms">Tested OS and platforms</link>
+</listitem>
+
 </list>
 </para>
 
@@ -183,6 +187,34 @@ that can be used independently of nginx 
 </section>
 
 
+<section id="tested_os_and_platforms"
+        name="Tested OS and platforms">
+
+<para>
+<list type="bullet">
+
+<listitem>
+FreeBSD / amd64;
+</listitem>
+
+<listitem>
+Linux / x86, amd64, arm64, ppc64el;
+</listitem>
+
+<listitem>
+Solaris 11 / amd64;
+</listitem>
+
+<listitem>
+macOS / x86_64;
+</listitem>
+
+</list>
+</para>
+
+</section>
+
+
 <section id="presentation" name="Presentation at nginx.conf 2018">
 
 <para><video id="Jc_L6UffFOs" /></para>