diff --git a/vignettes/articles/writing-custom-fns.Rmd b/vignettes/articles/writing-custom-fns.Rmd
index 02911e7b..d48b990a 100644
--- a/vignettes/articles/writing-custom-fns.Rmd
+++ b/vignettes/articles/writing-custom-fns.Rmd
@@ -120,7 +120,6 @@ create_custom_check("cstm_check_tbl_args",
 ```
 
 This adds an extra argument `extra_arg` to the custom check function formals as well as an example input check.
-s
 ```{r, code=readLines(r_path(hub_path, "cstm_check_tbl_args")), eval=FALSE}
 ```