diff --git a/notes-intro.Rmd b/notes-intro.Rmd
index 55c93d5..16c6bdd 100644
--- a/notes-intro.Rmd
+++ b/notes-intro.Rmd
@@ -3,3 +3,4 @@
 # Notes {#notes-intro .unnumbered}
 
 This part holds content that is deprecated/stale, does not exist yet, or relates to bookdown mechanics.
+????