diff --git a/.github/workflows/pkgdown.yaml b/.github/workflows/pkgdown.yaml
index 77bf3b7..9c2a667 100644
--- a/.github/workflows/pkgdown.yaml
+++ b/.github/workflows/pkgdown.yaml
@@ -2,7 +2,7 @@
 # Need help debugging build failures? Start at https://github.com/r-lib/actions#where-to-find-help
 on:
   push:
-    branches: [main, master, pkgdown_ci]
+    branches: [main, master]
   pull_request:
     branches: [main, master]
   release:
diff --git a/vignettes/Running-nonmem.Rmd b/vignettes/Running-nonmem.Rmd
index 9d902ca..e53b602 100644
--- a/vignettes/Running-nonmem.Rmd
+++ b/vignettes/Running-nonmem.Rmd
@@ -21,7 +21,7 @@ unlink(file.path(nonmem, "in_progress"), recursive = TRUE)
 ```{r, include = FALSE}
 knitr::opts_chunk$set(
   collapse = TRUE,
-  comment = "" 
+  comment = "#>" 
 )
 ```
 
diff --git a/vignettes/custom-alerts.Rmd b/vignettes/custom-alerts.Rmd
index 587b8ce..921643f 100644
--- a/vignettes/custom-alerts.Rmd
+++ b/vignettes/custom-alerts.Rmd
@@ -24,7 +24,7 @@ unlink(file.path(nonmem, "in_progress"), recursive = TRUE)
 ```{r, include = FALSE}
 knitr::opts_chunk$set(
   collapse = TRUE,
-  comment = ""
+  comment = "#>"
 )
 ```
 
diff --git a/vignettes/slack-alerts.Rmd b/vignettes/slack-alerts.Rmd
index 1024fc4..092b30d 100644
--- a/vignettes/slack-alerts.Rmd
+++ b/vignettes/slack-alerts.Rmd
@@ -24,7 +24,7 @@ unlink(file.path(nonmem, "in_progress"), recursive = TRUE)
 ```{r, include = FALSE}
 knitr::opts_chunk$set(
   collapse = TRUE,
-  comment = ""
+  comment = "#>"
 )
 ```