diff --git a/regexps.qmd b/regexps.qmd
index 742ccc5..9622afb 100644
--- a/regexps.qmd
+++ b/regexps.qmd
@@ -356,7 +356,7 @@ There's no "and" operator built in to regular expressions so we have to tackle i
 words[str_detect(words, "a.*b|b.*a")]
 ```
 
-Its simpler to combine the results of two calls to `str_detect()`:
+It's simpler to combine the results of two calls to `str_detect()`:
 
 ```{r}
 words[str_detect(words, "a") & str_detect(words, "b")]