diff --git a/doc/src/sgml/install-windows.sgml b/doc/src/sgml/install-windows.sgml
index 98fa6962f6..43d05bde4e 100644
--- a/doc/src/sgml/install-windows.sgml
+++ b/doc/src/sgml/install-windows.sgml
@@ -534,9 +534,9 @@ $ENV{PROVE_TESTS}='t/020*.pl t/010*.pl'
     <varlistentry>
      <term><varname>GZIP_PROGRAM</varname></term>
      <listitem><para>
-       Path to a <application>gzip</application> command. The default is
-       <literal>gzip</literal>, that would be the command found in
-      <varname>PATH</varname>.
+      Path to a <application>gzip</application> command. The default is
+      <literal>gzip</literal>, which will search for a command by that
+      name in the configured <envar>PATH</envar>.
      </para></listitem>
     </varlistentry>
 
@@ -544,8 +544,8 @@ $ENV{PROVE_TESTS}='t/020*.pl t/010*.pl'
      <term><varname>LZ4</varname></term>
      <listitem><para>
       Path to a <application>lz4</application> command. The default is
-      <literal>lz4</literal>, that would be the command found in
-      <varname>PATH</varname>.
+      <literal>lz4</literal>, which will search for a command by that
+      name in the configured <envar>PATH</envar>.
      </para></listitem>
     </varlistentry>
 
@@ -553,8 +553,17 @@ $ENV{PROVE_TESTS}='t/020*.pl t/010*.pl'
      <term><varname>TAR</varname></term>
      <listitem><para>
       Path to a <application>tar</application> command. The default is
-      <literal>tar</literal>, that would be the command found in
-      <varname>PATH</varname>.
+      <literal>tar</literal>, which will search for a command by that
+      name in the configured <envar>PATH</envar>.
+     </para></listitem>
+    </varlistentry>
+
+    <varlistentry>
+     <term><varname>ZSTD</varname></term>
+     <listitem><para>
+      Path to a <application>zstd</application> command. The default is
+      <literal>zstd</literal>, which will search for a command by that
+      name in the configured <envar>PATH</envar>.
      </para></listitem>
     </varlistentry>
    </variablelist>