diff --git a/revealjs/information-technology/2-products.md b/revealjs/information-technology/2-products.md
index ac96e04..63a6545 100644
--- a/revealjs/information-technology/2-products.md
+++ b/revealjs/information-technology/2-products.md
@@ -16,7 +16,9 @@ background-image="img/jannik/windows.jpg"
 ## Windows
 
 <notes>
- * most important software on your computer
+ * essential software on your computer that it needs to work Hardware
+ * needed to use all the software and services and to access the internet to
+   communicate
 </notes>
 
 ---
diff --git a/revealjs/information-technology/3-companies.md b/revealjs/information-technology/3-companies.md
index eddb1c8..000c10a 100644
--- a/revealjs/information-technology/3-companies.md
+++ b/revealjs/information-technology/3-companies.md
@@ -31,7 +31,6 @@ background-image="img/franz/sponsored_ublock_links.png"
 <notes>
  * “context-sensitive advertisement”
  * shows ad relevant to each mail in footer
- * analyzes content and shows ads relevant to information from your e-mails
 </notes>
 
 ---