diff --git a/handbook/computing/hbmanual1.html b/handbook/computing/hbmanual1.html
index d7ae589c8..8c2bed544 100644
--- a/handbook/computing/hbmanual1.html
+++ b/handbook/computing/hbmanual1.html
@@ -37,9 +37,12 @@ nearly all pages in this website. If you click on it you will be able to edit th
 
 <p><b>Footnote:</b> Currently this process does not properly tidy up after itself. Everyone can see your new edited page on the website immediately but you will need to ask a nerd to finish the process to make sure that your changes become persistent and don't get overwritten. [See the explanation at <a href="#tidy">the bottom of this page</a> if you want to know more.]
 
-<h3>Autogenerated pages</h3>
+<h3 id="auto">Autogenerated pages</h3>
 <p>Some key sections of the online webpages  are autogenerated from cave survey data
 so you cannot use "Edit this page". These pages will not show "Edit this page" in the top-left menu even when you are logged in. If you need to change any of these you will need to <a href="manual.html">correct the underlying cave survey data</a></p>
+<p>Some pages are not editable because the file permissions are set to read-only. This may be a mistake and you should consult a nerd to get it fixed. 
+
+<p>In either case, instead of "Edit this page" it will say "This page not editable" at the bottom of the menu.
 
 <h3>Creating New Pages</h3>
 <p>If you type in the name of a new webapge into the address bar of your browser, e.g. <a href="http://expo.survex.com/handbook/festering/spa.html">http://expo.survex.com/handbook/festering/spa.html</a> (e.g. if you want to document how to find a hot-tub in Altaussee) then troggle will offer to create the page for you. Just click on the blue text that says "Create this page":<br />
diff --git a/handbook/computing/hbmanual2.html b/handbook/computing/hbmanual2.html
index b731cc4ed..3942a8456 100644
--- a/handbook/computing/hbmanual2.html
+++ b/handbook/computing/hbmanual2.html
@@ -21,7 +21,7 @@
 
 
 <h3 id="edithandbook">2. Editing this handbook and files in repositories</h3>
-<p>The primary and recommended way of editing this handbook, historic expo files and survey data is to use 
+<p>The recommended way of editing this handbook, historic expo files and survey data in bulk is to use 
 a laptop which has the version control software installed and configured. The 
 person editing  needs to know how to use this software, and also needs to know how to edit raw HTML files
 using a text editor. 
@@ -53,7 +53,8 @@ website files with that on the server ("pull" from the server); (b) edit a set o
 
 <h4>What you can't do</h4>
 <p>All the scans, photos, presentations, fat documents and videos are
-not stored in the version control repositories so you cannot edit or change them using the method described here.</p>
+not stored in the version control repositories so you cannot edit or change them using the method described here.
+The process for uploading them is described in <a href="../survey/newcave.html">the expo survey process</a>.
 
 <h3><a id="yourownlaptop">3. Your own laptop</a></h3>
 <p>Setting up your own laptop so that it can do everything the <i>expo laptop</i> can do is quite a