Improve command descriptions in --help

Make sure all commands have one line of description, and reduce the
size of some which had large amounts of text.

1 files changed, 3 insertions, 8 deletions

diff --git a/morphlib/plugins/build_plugin.py b/morphlib/plugins/build_plugin.py
index 7cc2d6ec..6583a6a8 100644
--- a/morphlib/plugins/build_plugin.py
+++ b/morphlib/plugins/build_plugin.py
@@ -29,15 +29,10 @@ class BuildPlugin(cliapp.Plugin):
         pass
 
     def build_morphology(self, args):
-        '''Build a binary from a morphology.
+        '''Build a system, outside of a system branch
 
-        Command line arguments are the repository, git tree-ish reference,
-        and morphology filename. Morph takes care of building all dependencies
-        before building the morphology. All generated binaries are put into the
-        cache.
-
-        (The triplet of command line arguments may be repeated as many
-        times as necessary.)
+        Command line arguments are the repository, git ref,
+        and morphology filename.
 
         '''