Completion doc updates

Author: kmvanbrunt

cmd2/argparse_custom.py

@@ -188,18 +188,15 @@ def my_completer_method(self, text, line, begidx, endidx, arg_tokens)
 
 **Patched argparse functions**
 
-argparse._ActionsContainer.add_argument - adds arguments related to tab
-                                          completion and enables nargs range
-                                          parsing See _add_argument_wrapper for
-                                          more details on these argument
-
-argparse.ArgumentParser._get_nargs_pattern - adds support to for nargs ranges
-                                             See _get_nargs_pattern_wrapper for
-                                             more details
-
-argparse.ArgumentParser._match_argument - adds support to for nargs ranges See
-                                          _match_argument_wrapper for more
-                                          details
+``argparse._ActionsContainer.add_argument`` - adds arguments related to tab
+completion and enables nargs range parsing. See _add_argument_wrapper for
+more details on these arguments.
+
+``argparse.ArgumentParser._get_nargs_pattern`` - adds support to for nargs
+ranges. See _get_nargs_pattern_wrapper for more details.
+
+``argparse.ArgumentParser._match_argument`` - adds support to for nargs ranges.
+See _match_argument_wrapper for more details.
 """
 
 import argparse

docs/features/completion.rst

@@ -135,4 +135,5 @@ See the argparse_completion_ example or the implementation of the built-in
 For More Information
 --------------------
 
-See :mod:`cmd2.argparse_custom` for more details.
+See :mod:`cmd2.argparse_custom` for a more detailed discussion of argparse
+completion.