diff --git a/handbook/logbooks.html b/handbook/logbooks.html
index 4f73d1045..16ee6560f 100644
--- a/handbook/logbooks.html
+++ b/handbook/logbooks.html
@@ -20,6 +20,10 @@ the base camp logbook or the top camp logbook.
 <li><a href="computing/logbooks-parsing.html">Importing</a> the logbook into troggle (nerds only) - and error checking
 </ul>
 
+<p>Please do NOT use the "Edit this page" capability to edit previous logbooks. The HTML format is not robust enough 
+(to be honest all this logbook stuff is a bit of a kludge). See the link above "<a href="computing/logbooks-parsing.html">Importing</a>" as any mistake will crash the import parser.
+Historic logbooks should only be edited by an expert, and the import process should be tested offline before the edited logbook is uploaded to the server.
+
 <h3 id="why">Why the logbook is important</h3>
 
 <p>The logbook writeup is the oldest and most basic way of recording your trip but it must not be neglected. This is also where you put