-You can also run the export commands from the `mingw` script by hand instead of
-calling the mingw script for every `./configure` or `make` command, or execute
-`$HOME/bin/mingw $SHELL` to get a shell with the right environment variables
-set.
+We use this script to call `./configure` and `make` with the right environment
+variables, but only when the `./configure` script doesn't support cross-compilation itself.
+You can also run the export commands from the `mingw` script by
+hand instead of calling the mingw script for every `./configure` or `make`
+command, or execute `$HOME/bin/mingw $SHELL` to get a shell with these
+environment variables set, but in this howto we will call it explicitly every
+time it is needed.