diff --git a/Chapter-Instructions/Chapter_26_Instructions.qmd b/Chapter-Instructions/Chapter_26_Instructions.qmd
index f05eafa..95355b8 100644
--- a/Chapter-Instructions/Chapter_26_Instructions.qmd
+++ b/Chapter-Instructions/Chapter_26_Instructions.qmd
@@ -122,7 +122,7 @@ If you forget, you’ll get an error:
 #| eval: false
 df |> 
   group_by(grp) |> 
-  summarize(across(everything(), median()))
+  summarize(across(everything(), median))
 ```
 
 ------------------------------------------------------------------------
@@ -920,4 +920,4 @@ ggsave(by_clarity$path[[3]], by_clarity$plot[[3]], width = 6, height = 6)
 ggsave(by_clarity$path[[8]], by_clarity$plot[[8]], width = 6, height = 6)
 ```
 
-## CONGRATULATIONS! You have completed your Essential Skills in Computational Research training for Treehouse! Welcome to the team :)
\ No newline at end of file
+## CONGRATULATIONS! You have completed your Essential Skills in Computational Research training for Treehouse! Welcome to the team :)