text-crossrefs: Typst + testing, coding and documentation improvements

text-crossrefs/sample.md

@@ -28,9 +28,9 @@ Here are some precisions.[^2]
   * How can I refer to a note by its number? → See [refer-to-note]{.tcrf}.
   * What formats are supported? → See [format]{.tcrf}.
   * What if the note contains multiple spans with identifiers? → See [which-identifier]{.tcrf}.
-  * What happens if a span in contained in a span? → See [nested-spans]{.tcrf}.
+  * What happens if a span is contained in a span? → See [nested-spans]{.tcrf}.
   * What are the notes? → [my-evaluation, format, refer-to-note]{.tcrf reftype=note}
-  * Where are the notes? → [my-evaluation, format]{.tcrf}
+  * Where are the notes? → [my-evaluation,format]{.tcrf}
 
 []{#toc-notes-end}