-dh_auto_build is a debhelper program that tries to automatically
-build a package. If a Makefile is found, this is done by running make (or
-MAKE, if the environment variable is set).
-If there's a setup.py, or Build.PL, it is run to build the package.
+dh_auto_build is a debhelper program that tries to automatically build a
+package. It does so by running the appropriate command for the build system
+it detects the package uses. For example, if a Makefile is found, this is
+done by running make (or MAKE, if the environment variable is set). If
+there's a setup.py, or Build.PL, it is run to build the package.