diff --git a/src/web/templates/survey_index.html b/src/web/templates/survey_index.html
index 8612a6f..9523522 100644
--- a/src/web/templates/survey_index.html
+++ b/src/web/templates/survey_index.html
@@ -20,10 +20,16 @@ window.onload = function() {
 <p>Participate in this survey and contribute for the development of
 AppRecommender, a recommender system for GNU/Linux applications.</p>
 <br />
-<p>Please provide the list of packages installed in a real running system
-(instructions above) and evaluate the list of applications suggested for it.
-You need to analyse at least 10 sugestions to be considered in the survey,
-though we appreciate if you do as many as you can.</p>
+<p>Please provide a list of packages installed in a real running system and a
+set of applications will be suggested for it. You can upload a
+popularity-contest submission file (which is usually located at
+'/var/log/popularity-contest') or any other file with packages name as first
+field of each line. For instance, you can run the following command and upload the
+generated 'packages.list' file.</p>
+<p><code> # dpkg-query --show > packages.list </code></p>
+<p>Given the produced recommendations you will be asked to evaluate the list of
+applications suggested. You need to analyse at least 10 sugestions to be considered
+in the survey, though we appreciate if you do as many as you can.</p>
 <br />
 <p>Your help is very much appreciated!</p>
 </div>
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