Updated docs. Fixed a non-standard-conforming global option

Author: joseph-flinn

README.rst

@@ -177,9 +177,16 @@ You can auto confirm the prompt. In this case no preview will be shown.
    $ tmuxp convert --yes filename
 
 
-Debug Info
+Debugging Helpers
 ----------
 
+The `load` command provides a way to log output to a log file for debugging 
+purposes.
+
+.. code-block:: sh
+
+   $ tmuxp load --log-file <log-file-name> .
+
 Collect system info to submit with a Github issue:
 
 .. code-block:: sh
@@ -192,6 +199,7 @@ Collect system info to submit with a Github issue:
 
    # ... so on
 
+
 Docs / Reading material
 -----------------------
 

docs/cli.rst

@@ -184,12 +184,23 @@ are created, the last session is named from the terminal.
 
     $ tmxup load -s <new_session_name> <filename1> ...
 
+The output of the ``load`` command can be logged to a file for 
+debugging purposes. the log level can be controlled with the global
+``--log-level`` option (defaults to INFO).
+
+.. code-block:: bash
+
+    $ tmuxp load <filename> --log-file <log_filename>
+    $ tmuxp --log-level <LEVEL> load <filename> --log-file <log_filename>
+
+
 .. _cli_debug_info:
 
 Debug Info
 ----------
 
-Use to collect all relevant information for submitting an issue to the project.
+Use to collect all relevant information for submitting an issue to 
+the project.
 
 .. code-block:: bash
 

tmuxp/cli.py

@@ -623,7 +623,7 @@ def load_workspace(
 @click.group(context_settings={'obj': {}})
 @click.version_option(__version__, '-V', '--version', message='%(prog)s %(version)s')
 @click.option(
-    '--log_level',
+    '--log-level',
     default='INFO',
     help='Log level (DEBUG, INFO, WARNING, ERROR, CRITICAL)',
 )