diff --git a/_pkgdown.yml b/_pkgdown.yml
index 878da22..7e0f9a3 100644
--- a/_pkgdown.yml
+++ b/_pkgdown.yml
@@ -15,6 +15,7 @@ reference:
     contents:
       - vis_dat
       - data-vis-dat
+      - vis_histogram
   - title: "Focus on the missing data"
     desc: >
       Specifically display information about the missingness