bootstrap.sh: clarify what the --overwrite-profile option does

diff --git a/libexec/bootstrap.sh b/libexec/bootstrap.sh
index 9ea3c32..9445a55 100755 (executable)
--- a/libexec/bootstrap.sh
+++ b/libexec/bootstrap.sh
@@ -26,7 +26,8 @@ Bootstrap a Drupal project, using settings from a 'bootstrap.conf' file.
 
 Options:
   --devel              install drupal/devel and use a settings.local.php file
-  --overwrite-profile  allow overwriting the current installation profile
+  --overwrite-profile  allow overwriting the installation profile of the site
+                       with a profile copied from the current working directory
   -h, --help           display this usage message and exit
 
 EOF