Update 09-mapping.Rmd

Co-authored-by: Jakub Nowosad <Nowosad@users.noreply.github.com>

09-mapping.Rmd

@@ -63,7 +63,7 @@ Historic examples include maps of buildings and land ownership in the Old Babylo
 Map-making has historically been an activity undertaken only by, or on behalf of, the elite.
 This has changed with the emergence of open source mapping software such as the R package **tmap** and the 'print layout' in QGIS\index{QGIS} which enable anyone to make high-quality maps, enabling 'citizen science'.
 Maps are also often the best way to present the findings of geocomputational research in a way that is accessible.
-map-making is therefore a critical part of geocomputation\index{geocomputation} and its emphasis not only on describing, but also *changing* the world.
+Map-making is therefore a critical part of geocomputation\index{geocomputation} and its emphasis not only on describing, but also *changing* the world.
 
 This chapter shows how to make a wide range of maps.
 The next section covers a range of static maps, including aesthetic considerations, facets and inset maps.