diff --git a/basics.html b/basics.html
index 9d6f5688f9ddec81e0fff72ea042116715440689..0ff7f85570048514b4f51bea0c0683411b68bdd8 100644
--- a/basics.html
+++ b/basics.html
@@ -133,15 +133,6 @@
             > -- Christian Krause, 2017
           </section>
 
-          <section id="intro-about-dirk" data-markdown>
-            ## about dirk
-
-            - statistics and R support @ iDiv since 2014
-            - knows that kind of pain:
-
-            ![blah](img/motivation-draft-mess-half-size.png)
-          </section>
-
           <section id="intro-about-you" data-markdown>
             ## about you
 
diff --git a/img/motivation-structure.dot b/img/motivation-structure.dot
index 2cce463a8370605419f84ba3d22b8806cf605566..f9e0aa7e7b940a37b7fff87b8489c8ef3e40be3a 100644
--- a/img/motivation-structure.dot
+++ b/img/motivation-structure.dot
@@ -1,9 +1,9 @@
 digraph {
     node [shape = "box", style = "filled, rounded"]
 
-    master4[label = "Dirk (today)\nupdates methods chapter", color = limegreen]
-    master3[label = "Christian (yesterday)\nfixes typos", color = darkorchid1]
-    master2[label = "Dirk (three days ago)\nadds methods chapter", color = limegreen]
+    master4[label = "Alice (today)\nfixes logic error", color = limegreen]
+    master3[label = "Bob (yesterday)\nfixes typos", color = darkorchid1]
+    master2[label = "Alice (three days ago)\nadds methods chapter", color = limegreen]
     master1[label = "...", color = grey]
 
     master4 -> master3 -> master2 -> master1