diff --git a/index.qmd b/index.qmd
index a458d1b1b9c1dfbd4874c9aa04310caa96c4ecd9..56960e69fc2280e13fc6461eec490c400da216c3 100644
--- a/index.qmd
+++ b/index.qmd
@@ -358,7 +358,7 @@ ui <- fluidPage(theme=shinytheme("flatly"),
 #| echo: fenced
 #| eval: false
 #| code-line-numbers: "16-27"
-o#
+#
 # This is the server logic of a Shiny web application. You can run the
 # application by clicking 'Run App' above.
 #
@@ -399,10 +399,10 @@ server <- function(input, output, session){
 
 ::: columns
 ::: {.column width="50%"}
-```{r}
+```{r filename="ui.R"}
 #| echo: fenced
-#| code-line-numbers: "24-29|32"
-#| output-location: column
+#| eval: false
+#| code-line-numbers: "24-29,32"
 # This is the user-interface definition of a Shiny web application. You change
 # run the application by clicking 'Run App' above.
 #
@@ -439,10 +439,10 @@ ui <- fluidPage(theme=shinytheme("flatly"),
 :::
 
 ::: {.column width="50%"}
-```{r}
+```{r filename="server.R"}
 #| echo: fenced
+#| eval: false
 #| code-line-numbers: "18-26"
-#| output-location: column
 #
 # This is the server logic of a Shiny web application. You can run the
 # application by clicking 'Run App' above.