diff --git a/slides/data-types.Rmd b/slides/data-types.Rmd
index b1b47ab..b53069a 100644
--- a/slides/data-types.Rmd
+++ b/slides/data-types.Rmd
@@ -395,30 +395,10 @@ class: middle
 # stringr functions
 ]
 
-Locale-sensitive operations
-
-```{r}
-str_to_upper("Introduction to the tidyverse")
-```
-
-???
-
-We can turn convert cases with `str_to_upper()` and turn strings into yells.
-
-These functions are called "locale-sensitive operations" because they can follow capitalization and alphabetization rules in different languages.
-
----
-
-class: middle
-
-.top-fixed[
-# stringr functions
-]
-
 Pattern matching
 
 ```{r eval = FALSE}
-str_view_all("Introduction to the tidyverse", "[aeiou]")
+str_view("Introduction to the tidyverse", "[aeiou]")
 ```
 
 ```{r echo = FALSE}
diff --git a/slides/data-types.html b/slides/data-types.html
index 8cb0d8b..14fa619 100644
--- a/slides/data-types.html
+++ b/slides/data-types.html
@@ -335,36 +335,11 @@
 # stringr functions
 ]
 
-Locale-sensitive operations
-
-
-```r
-str_to_upper("Introduction to the tidyverse")
-```
-
-```
-## [1] "INTRODUCTION TO THE TIDYVERSE"
-```
-
-???
-
-We can turn convert cases with `str_to_upper()` and turn strings into yells.
-
-These functions are called "locale-sensitive operations" because they can follow capitalization and alphabetization rules in different languages.
-
----
-
-class: middle
-
-.top-fixed[
-# stringr functions
-]
-
 Pattern matching
 
 
 ```r
-str_view_all("Introduction to the tidyverse", "[aeiou]")
+str_view("Introduction to the tidyverse", "[aeiou]")
 ```
 
 
@@ -498,7 +473,7 @@
 ```
 ]
 .pull-right[
-<img src="data-types_files/figure-html/unnamed-chunk-22-1.png" width="90%" />
+<img src="data-types_files/figure-html/unnamed-chunk-21-1.png" width="90%" />
 ]
 
 ---
@@ -516,13 +491,13 @@
 ]
 
 .pull-right[
-<img src="data-types_files/figure-html/unnamed-chunk-24-1.png" width="90%" />
+<img src="data-types_files/figure-html/unnamed-chunk-23-1.png" width="90%" />
 ]
 
 ---
 # What are we trying to show?
 
-![](data-types_files/figure-html/unnamed-chunk-25-1.png)<!-- -->
+![](data-types_files/figure-html/unnamed-chunk-24-1.png)<!-- -->
 
 ---
 # Factors have an ordering
@@ -591,7 +566,7 @@
 ]
 
 .pull-right[
-<img src="data-types_files/figure-html/unnamed-chunk-29-1.png" width="90%" />
+<img src="data-types_files/figure-html/unnamed-chunk-28-1.png" width="90%" />
 ]
 
 ---
@@ -613,7 +588,7 @@
 ]
 
 .pull-right[
-<img src="data-types_files/figure-html/unnamed-chunk-31-1.png" width="90%" />
+<img src="data-types_files/figure-html/unnamed-chunk-30-1.png" width="90%" />
 ]
 
 ---