diff --git a/config_automation.yml b/config_automation.yml
index d9fd295..50b79c5 100644
--- a/config_automation.yml
+++ b/config_automation.yml
@@ -22,7 +22,7 @@ render-coursera: no
 
 ## Automate the creation of Book.txt file? TRUE/FALSE?
 ## This is only relevant if render-leanpub is yes, otherwise it will be ignored
-make-book-txt: TRUE
+make-book-txt: yes
 
 # What docker image should be used for rendering?
 # The default is jhudsl/base_ottr:main