diff --git a/icse2018/content/03-materials.tex b/icse2018/content/03-materials.tex
index 4abbb50..752afc6 100644
--- a/icse2018/content/03-materials.tex
+++ b/icse2018/content/03-materials.tex
@@ -1,4 +1,2 @@
 \section{Materials}
-Statistics collected from gitlab issues, mailing lists and code metrics. Follow-up questionnaire with former team members to assess their learning and thoughts about the methodology.
-
-Here we should describe all the information regarding our data analysis: what questions were asked on the questionnaire and the answers; what informations where extracted from gitlab and mailing lists and how they were extracted; and what code metrics were extracted and how have we done that.
+Describe the SPB platform focusing on components from which we use to extract data. Explain how it was used during the development.
diff --git a/icse2018/content/04-methods.tex b/icse2018/content/04-methods.tex
index c0cad8a..29dfee3 100644
--- a/icse2018/content/04-methods.tex
+++ b/icse2018/content/04-methods.tex
@@ -1 +1,2 @@
 \section{Methods}
+Here we should describe all the information regarding our data analysis: what questions were asked (and why they were asked) on the questionnaire and the answers, showing that we have taken care to avoid ambiguity and bias; what informations where extracted from gitlab and mailing lists and how they were extracted; and what code metrics were extracted and how have we done that.
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