diff --git a/templates/walletform.html b/templates/walletform.html
index 2e2dda57..9fe1cec1 100644
--- a/templates/walletform.html
+++ b/templates/walletform.html
@@ -238,7 +238,7 @@ and <em>also</em> the exported files in standard formats: svx, svg etc. See why
            title="List of people on the survey trip"
            placeholder="{{people}}" value="{{people}}" /> 
     <br>
-           <label for="survex">List of survex files</label>
+           <label for="survex">List of survex files (e.g. 'caves-1623/999/999')</label>
            <input {% if not user.username %} disabled{% endif %} 
            label = "survex" name = "survex" size ="{{survexsize}}"
            title="List of survex files using this data"