Minor clean-up of cli.md (was usage.md)

docs/cli.md

@@ -4,7 +4,7 @@ You can install the project if you haven't already with
 
       pip install git+https://github.com/usgs/geomag-algorithms.git
 
-Running `geomag.py -h` or `geomag.py --help` will show an extensive list of
+Running `geomag-py -h` or `geomag-py --help` will show an extensive list of
 input parameters.
 
 Some of the key parameters that should be specified are listed here along with
@@ -15,7 +15,7 @@ examples. They include
 | __start time__             | YYYY-MM-DDTHH:MM:SSZ                         |
 | __end time__               | YYYY-MM-DDTHH:MM:SSZ                         |
 | __observatory code__       | 3-letter observatory code                    |
-| __data input format __     | 'edge', 'iaga2002', 'pcdcp', ...             |
+| __data input format__      | 'edge', 'iaga2002', 'pcdcp', ...             |
 | __data input source__      | {--input, --input-file, ...}                 |
 | __data output format__     | 'edge', 'iaga2002', 'pcdcp', ...             |
 | __data output source__     | {--output-url, --output-file, ...}           |