Updated docs

Author: forman

docs/cli.md

@@ -9,10 +9,10 @@ Usage: zappend [OPTIONS] [SLICES]...
   Create or update a Zarr datacube TARGET from slice datasets SLICES.
 
   The zappend command concatenates the dataset SLICES along a given append
-  dimension, e.g., `"time"` (the default) for geospatial satellite
-  observations. Each append step is atomic, that is, the append operation is a
-  transaction that can be rolled back, in case the append operation fails.
-  This ensures integrity of the target data cube given by TARGET or in CONFIG.
+  dimension, e.g., "time" (the default) for geospatial satellite observations.
+  Each append step is atomic, that is, the append operation is a transaction
+  that can be rolled back, in case the append operation fails. This ensures
+  integrity of the target data cube given by TARGET or in CONFIG.
 
 Options:
   -c, --config CONFIG    Configuration JSON or YAML file. If multiple are
@@ -22,6 +22,7 @@ Options:
                          'target_dir' configuration field.
   --dry-run              Run the tool without creating, changing, or deleting
                          any files.
+  --traceback            Show Python traceback on error.
   --version              Show version and exit.
   --help-config json|md  Show configuration help and exit.
   --help                 Show this message and exit.