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diff --git a/vasl_templates/webapp/static/help/index.html b/vasl_templates/webapp/static/help/index.html
index 07807a0..439d0de 100644
--- a/vasl_templates/webapp/static/help/index.html
+++ b/vasl_templates/webapp/static/help/index.html
@@ -54,8 +54,8 @@ If you have Docker installed, the webapp can be run in a container e.g.
 <div class="code">
 ./run-container.sh \
     --port 5010 \
-    --vassal ~/vassal-3.6.14/ \
-    --vasl ~/vasl/vasl-6.6.6.vmod \
+    --vassal ~/vassal-3.7.5/ \
+    --vasl ~/vasl/vasl-6.6.7.vmod \
     --vasl-extensions ~/vasl/extensions/ \
     --boards ~/vasl/boards/ \
     --chapter-h ~/vasl/chapter-h/ \
@@ -73,7 +73,7 @@ If you have Docker installed, the webapp can be run in a container e.g.
 
 <p> You can also run the program directly from the source code. Get a copy from <a href="https://code.pacman-ghost.com/public/vasl-templates">here</a> in the usual way, by <tt>git clone</tt>'ing it, or downloading a ZIP and unpacking it somewhere.
 
-<p> The web server was written and tested using Python 3.10.10, but it doesn't do anything particularly funky, so any recent version of Python <em>should</em> work.
+<p> The web server was written and tested using Python 3.11.4, but it doesn't do anything particularly funky, so any recent version of Python <em>should</em> work.
 
 <p> While not essential, it is <em>strongly</em> recommended that you set up a <a href="https://virtualenv.pypa.io/en/stable/">virtual environment</a> first. Then <tt>cd</tt> into the project's root directory, and install the requirements (note the trailing period):
 <div class="code">
@@ -101,6 +101,18 @@ pip install --editable .[gui]
 
 <p> Then, run the <tt>vasl-templates</tt> command.
 
+<a name="asl-rulebook2"></a>
+<h2> Integrating with <tt>asl-rulebook2</tt></h2>
+
+<p> <img src="images/asl-rulebook2.png" class="preview" style="float:right;">
+If you are using <a href="https://code.pacman-ghost.com/public/asl-rulebook2"><tt>asl-rulebook2</tt></a>, you can connect it to this program, and vehicle/ordnance entries will show an icon that you can click to open their Chapter H entries.
+
+<p> In your <tt>site.cfg</tt>, configure the base URL of the <tt>asl-rulebook2</tt> application e.g.
+<div class="code">
+[Site Config]
+ASL_RULEBOOK2_BASE_URL = http://localhost:5020
+</div>
+
 <a name="install-webdriver"></a>
 <h2>Installing a webdriver</h2>
 
@@ -154,11 +166,11 @@ Configuring the program
 
 <p> Choose <em>Settings</em> from the <em>File</em> menu and configure the highlighted settings. As a guide, here are some example settings:
 <table class="settings">
-    <tr> <td class="key"> VASSAL&nbsp;installation: </td> <td class="val"> <nobr>C:\Program Files\VASSAL-3.6.14\</nobr>
-    <tr> <td class="key"> VASL&nbsp;module: </td> <td class="val"> <nobr>C:\bin\vasl\vasl-6.6.6.vmod</nobr>
+    <tr> <td class="key"> VASSAL&nbsp;installation: </td> <td class="val"> <nobr>C:\Program Files\VASSAL-3.7.5\</nobr>
+    <tr> <td class="key"> VASL&nbsp;module: </td> <td class="val"> <nobr>C:\bin\vasl\vasl-6.6.7.vmod</nobr>
     <tr> <td class="key"> VASL&nbsp;extensions: </td> <td class="val"> <nobr>C:\bin\vasl\extensions\</nobr>
     <tr> <td class="key"> VASL&nbsp;boards: </td> <td class="val"> <nobr>C:\bin\vasl\boards\</nobr>
-    <tr> <td class="key" valign="top"> Java: </td> <td class="val"> <nobr>C:\Program Files\VASSAL-3.6.14\jre\bin\java.exe</nobr>
+    <tr> <td class="key" valign="top"> Java: </td> <td class="val"> <nobr>C:\Program Files\VASSAL-3.7.5\jre\bin\java.exe</nobr>
         <div class="hint" style="margin:0.5em 1em;"> Leave this field blank to use the Java that comes with VASSAL (Windows only), or on your PATH. </div>
     <tr> <td class="key"> Web&nbsp;driver: </td> <td class="val"> <nobr>C:\bin\geckodriver.exe</nobr>
 </table>
@@ -548,6 +560,13 @@ When you're writing a new template file, it would be painful to have to ZIP up a
 <a name="dev-setup"></a>
 <h2 style="margin-top:0;"> Setting up </h2>
 
+<div class="info" style="float:right;max-width:40%;margin-left:1em;">
+If you want to run the GUI, you will also need to install the GUI requirements:
+<div class="code">
+pip install --editable .[gui]
+</div>
+</div>
+
 <p> After cloning the repo, install the <em>developer</em> requirements:
 <div class="code">
 pip install --editable .[dev]