Update help message for --path-arrows argument and remove the full stop for consistency.

Author: napakalas

README.rst

@@ -146,7 +146,7 @@ Command line help
                             Create a SPARC Dataset containing the map's sources and the generated map
       --sckan-version {production,staging}
                             Overide version of SCKAN specified by map's manifest
-      --path-arrows         Render arrows at the terminal nodes.
+      --path-arrows         ReRender arrows at the terminal nodes of paths
 
     Diagnostics:
       --authoring           For use when checking a new map: highlight incomplete

mapmaker/__main__.py

@@ -64,7 +64,7 @@ def arg_parser():
     generation_options.add_argument('--sckan-version', dest='sckanVersion', choices=['production', 'staging'],
                         help="Overide version of SCKAN specified by map's manifest")
     generation_options.add_argument('--path-arrows', dest='pathArrows', action='store_true',
-                        help="Render arrows at the terminal nodes.")
+                        help="Render arrows at the terminal nodes of paths")
 
     debug_options = parser.add_argument_group('Diagnostics')
     debug_options.add_argument('--authoring', action='store_true',