CONTRIBUTING.rst: use make lint to run shellcheck

`make check` could get extended to include other things besides just linting.

CONTRIBUTING.rst: use make lint to run shellcheck
`make check` could get extended to include other things besides just linting.
509043fd · nl6720 · eb64542e · 509043fd
Commit 509043fd authored Jul 30, 2020 by nl6720
--- a/CONTRIBUTING.rst
+++ b/CONTRIBUTING.rst
@@ -17,7 +17,7 @@ All ash and bash scripts are linted using shellcheck:

  .. code:: bash

-    make check
+    make lint

 Testing
 =======