Fix other crossref

preface.qmd

@@ -52,7 +52,7 @@ A brief summary of the biggest changes follows:
 * Multiple datasets were added or updated. For example, 
 the [`pm25_2022_durham`](http://openintrostat.github.io/openintro/reference/pm25_2022_durham.html) data on air quality in Durham, NC in 2022 can be found in the [**openintro**](https://openintrostat.github.io/openintro/) R package.
 
-* [Chapter -@sec-data-applications] was re-written with an updated context and data example. Additionally, in @sec-data-applications, we explore Simpson's Paradox. 
+* [Chapter -@sec-data-applications] was re-written with an updated context and data example. Additionally, in [Chapter -@sec-data-applications], we explore Simpson's Paradox. 
 
 * Throughout the text and the exercises, "statistically significant" has been changed to "statistically discernible" so as to distance ourselves from the more colloquial use of the word "significant."