diff --git a/core/language/en-GB/Snippets/ExtJSReadme.tid b/core/language/en-GB/Snippets/ExtJSReadme.tid
index 83101a40b4..f2b68f48e0 100644
--- a/core/language/en-GB/Snippets/ExtJSReadme.tid
+++ b/core/language/en-GB/Snippets/ExtJSReadme.tid
@@ -1,15 +1,19 @@
 title: $:/language/Snippets/ExtJSReadme
 
-Additions to ~TiddlyWiki documentation [[Using the external JavaScript template|https://tiddlywiki.com/#Using%20the%20external%20JavaScript%20template]]:
+This is an addendum to the ~TiddlyWiki documentation—[[Using the external JavaScript template|https://tiddlywiki.com/#Using%20the%20external%20JavaScript%20template]]:
 
-To ensure that the "save snapshot for offline use" button saves a working wiki, it is also necessary to set the tiddler $:/config/SaveWikiButton/Template to contain <code>~$:/core/save/<b>offline-external-js</b></code>. You must also save a copy of  "tiddlywiki5.js" in the same folder as your offline wiki file. See [[How to obtain tiddlywiki5.js|$:/language/Snippets/GetTiddlyWikiJS]] for details.
+...
+
+To properly save your snapshot for offline use, it is necessary to set the text of the tiddler $:/config/SaveWikiButton/Template to <code>~$:/core/save/<b>offline-external-js</b></code>. You must also save a copy of  <code>twcore-TIDDLYWIKI_VERSION.js</code> in the same folder as your HTML file. From your own wiki, open the tiddler [[$:/language/Snippets/GetTiddlyWikiJS]]. It will show you how to acquire ~TiddlyWiki's core ~JavaScript.
+
+The provided edition "server-external-js" contains all the configuration necessary to use the external ~JavaScript template.
 
 !! Upgrading
 
-Upgrading an offline wiki with an external-js template will be a three-step process:
+Before you proceed, backup your wiki first! Upgrading a single-file wiki with the external-js template will be a three-step process:
 
-# Follow the standalone file ~TiddlyWiki Upgrading process. Your wiki will be converted to a full standalone version.
+# Follow the standalone file ~TiddlyWiki [[Upgrading]] process. Your wiki will be converted to a full standalone HTML.
 
-# Open $:/language/Snippets/GetTiddlyWikiJS tiddler from your newly upgraded wiki and click the "Export tiddlywiki5.js" button.
+# From the upgraded wiki, open the tiddler [[$:/language/Snippets/GetTiddlyWikiJS]]. Click on the "Export ~TiddlyWiki Core" button to obtain the new release of ~TiddlyWiki's core ~JavaScript.
 
-# Verify that $:/config/SaveWikiButton/Template still contains `$:/core/save/offline-external-js`. Save your wiki again and the wiki will be converted to using the external-js template.
+# Verify that $:/config/SaveWikiButton/Template still contains `$:/core/save/offline-external-js`. Save your wiki again. It is now converted to using the external core.
diff --git a/core/language/en-GB/Snippets/GetTiddlyWikiJS.tid b/core/language/en-GB/Snippets/GetTiddlyWikiJS.tid
index 9a7bfd344a..79f7f95d83 100644
--- a/core/language/en-GB/Snippets/GetTiddlyWikiJS.tid
+++ b/core/language/en-GB/Snippets/GetTiddlyWikiJS.tid
@@ -1,12 +1,15 @@
 title: $:/language/Snippets/GetTiddlyWikiJS
 
-To obtain "tiddlywiki5.js" for your offline external-js ~TiddlyWiki, use one of the following methods:
+\define jsFileName() twcore-$(version)$.js
+
+In the external-js setting, you must have a copy of `twcore-TIDDLYWIKI_VERSION.js` alongside your single-file wiki. To obtain the core ~JavaScript, use one of the following methods:
 <ul>
 
 <$reveal state="$:/plugins/tiddlywiki/tiddlyweb!!plugin-type" type="match" text="plugin">
 
 <li>
-If you are running ~TiddlyWiki on node.js, you can download <a class="tc-tiddlylink" href="%24%3A%2Fcore%2Ftemplates%2Ftiddlywiki5.js" download="tiddlywiki5.js">tiddlywiki5.js</a> from your server.
+If you are running ~TiddlyWiki on Node.js, you can download <a class="tc-tiddlylink" href="%24%3A%2Fcore%2Ftemplates%2Ftwcore.js" download=<<jsFileName>>><<jsFileName>></a>
+from your server. If clicking the link does not work, right-click the link and save it that way.
 </li>
 
 </$reveal>
@@ -15,12 +18,10 @@ If you are running ~TiddlyWiki on node.js, you can download <a class="tc-tiddlyl
 
 <li>
 
-If this wiki's ~TiddlyWiki core has not been externalized, you can click the following button to export "tiddlywiki5.js" from your own wiki:
+If this wiki's core library has not been externalized, you can click the following button to export ~TiddlyWiki's core from your own wiki:
 <div><$button style=<<cssState>> class="tc-btn-big-green" disabled=<<isButtonOff>> >
-<$wikify name="site-title" text={{$:/config/SaveWikiButton/Filename}}>
-<$action-sendmessage $message="tm-download-file" $param="$:/core/templates/tiddlywiki5.js" filename="tiddlywiki5.js"/>
-</$wikify>
-{{$:/core/images/download-button}} Export tiddlywiki5.js
+<$action-sendmessage $message="tm-download-file" $param="$:/core/templates/twcore.js" filename=<<jsFileName>>/>
+{{$:/core/images/download-button}} Export ~TiddlyWiki Core
 </$button></div>
 
 </li>
@@ -32,23 +33,24 @@ If this wiki's ~TiddlyWiki core has not been externalized, you can click the fol
 If you have created your wiki from the "server-external-js" edition, then you can run the command:
 
 ```
-tiddllywiki <your-wiki-folder> --build tiddlywiki5.js
+tiddllywiki <your-wiki-folder> --build twcore
 ```
 
-File "tiddlywiki5.js" will be saved in the`output` folder within your wiki-folder.
+File "<<jsFileName>>" will be saved in the`output` folder of your wiki folder.
 
 </li>
 <li>
 
-From the command line, run:
+If you have installed ~TiddlyWiki on Node.js, you can run the following command:
 
 ```
 tiddlywiki <your-wiki-folder> \
-    --rendertiddler '$:/core/templates/tiddlywiki5.js' \
-    tiddlywiki5.js text/plain
+    --render "$:/core/templates/twcore.js" \
+    "[[twcore-]addsuffix<version>addsuffix[.js]]" \
+    "text/plain"
 ```
 
-File "tiddlywiki5.js" will be saved in the`output` folder within your wiki-folder.
+File "<<jsFileName>>" will be saved in the`output` folder of your wiki folder.
 
 </li>
 </ul>
\ No newline at end of file