diff --git a/model-many.Rmd b/model-many.Rmd
index 555e547..741757c 100644
--- a/model-many.Rmd
+++ b/model-many.Rmd
@@ -377,7 +377,7 @@ df %>%
   unnest()
 ```
 
-(If you find yourself using this pattern a lot, make sure to check out `tidyr:separate_rows()` which is a wrapper around this common pattern).
+(If you find yourself using this pattern a lot, make sure to check out `tidyr::separate_rows()` which is a wrapper around this common pattern).
 
 Another example of this pattern is using the `map()`, `map2()`, `pmap()` from purrr. For example, we could take the final example from [Invoking different functions] and rewrite it to use `mutate()`: