diff --git a/CloudComputing_Lab/modules/ROOT/pages/tech-list.adoc b/CloudComputing_Lab/modules/ROOT/pages/tech-list.adoc
index 880d9c8..1690518 100644
--- a/CloudComputing_Lab/modules/ROOT/pages/tech-list.adoc
+++ b/CloudComputing_Lab/modules/ROOT/pages/tech-list.adoc
@@ -319,14 +319,11 @@ https://netflix.github.io/[netflix github^]
 == Et cetera
 
 
-[NOTE]
-====
+****
 * https://en.wikipedia.org/wiki/The_Cathedral_and_the_Bazaar[The Cathedral and the Bazaar^]
 ** https://monoskop.org/images/e/e0/Raymond_Eric_S_The_Cathedral_and_the_Bazaar_rev_ed.pdf[The Cathedral and the Bazaar-English^]
 * http://www.catb.org/~esr/writings/cathedral-bazaar/[The Cathedral and the Bazaar - Translations^] (must-read  - Highly Recommended)
 
-====
-
 [listing]
 ====
 "Sociologists years ago discovered that *the averaged opinion of a mass of equally expert (or equally ignorant) observers is quite a bit more reliable a predictor than the opinion of a single randomly chosen observer.* 
@@ -335,6 +332,8 @@ It appears that what Linus has shown is that this applies even to debugging an o
 
 ====
 
+****
+
 * http://www.catb.org/~esr/faqs/hacker-howto.html[How To Become A Hacker^]
 * https://www.gutenberg.org/[Project Gutenberg^] - >60,000 free eBooks)
 * https://www.openbook.gr[openbooks library^] - >11.458 ελληνικά e-books