diff --git a/bundle/bundle--qda.el b/bundle/bundle--qda.el
index c1db2414..2438a956 100644
--- a/bundle/bundle--qda.el
+++ b/bundle/bundle--qda.el
@@ -1,11 +1,13 @@
 ;;; bundle--qda.el --- Data and functions for qualitative data analysis
 
+
+
 (defconst qda:websites
   '("https://usability.yale.edu/"
     "https://webaim.org/"
     "https://digital.gov/"))
 
-(defvar  qda:explain-codes
+(defconst  qda:explain-codes
   '((activity "the quality or state of being active. behavior or actions of a particular kind physical activity")
     (job "a piece of work. something that has to be done (task)")
     (objective "something toward which effort is directed")
@@ -13,14 +15,14 @@
     (pain "mental or emotional distress or suffering")
     (goal "An expectation of an end condition")))
 
-(defvar qda:map-codes-to-questions
+(defconst qda:map-codes-to-questions
   '((activity . how)
     (job . what)
     (objective . why)
     (gain . why)
     (pain . what)))
 
-(defvar qda:interview-questions
+(defconst qda:interview-questions
   '((general
      (en "What does your typical weekday look like?")
      (de "Wie sieht Ihr typischer Arbeitstag aus?")