diff --git a/borgmatic/actions/config/bootstrap.py b/borgmatic/actions/config/bootstrap.py
index 5b32345..9254da6 100644
--- a/borgmatic/actions/config/bootstrap.py
+++ b/borgmatic/actions/config/bootstrap.py
@@ -12,6 +12,16 @@ logger = logging.getLogger(__name__)
 
 
 def get_config_paths(bootstrap_arguments, global_arguments, local_borg_version):
+    '''
+    Given:
+    The bootstrap arguments, which include the repository and archive name, borgmatic source directory,
+    destination directory, and whether to strip components.
+    The global arguments, which include the dry run flag
+    and the local borg version,
+    Return:
+    The config paths from the manifest.json file in the borgmatic source directory after extracting it from the
+    repository.
+    '''
     borgmatic_source_directory = (
         bootstrap_arguments.borgmatic_source_directory or DEFAULT_BORGMATIC_SOURCE_DIRECTORY
     )
diff --git a/borgmatic/commands/arguments.py b/borgmatic/commands/arguments.py
index db50674..c39198c 100644
--- a/borgmatic/commands/arguments.py
+++ b/borgmatic/commands/arguments.py
@@ -29,7 +29,9 @@ SUBPARSER_ALIASES = {
 
 
 def get_unparsable_arguments(remaining_subparser_arguments):
-    # Determine the remaining arguments that no subparsers have consumed.
+    '''
+    Determine the remaining arguments that no subparsers have consumed.
+    '''
     if remaining_subparser_arguments:
         remaining_arguments = [
             argument
@@ -590,7 +592,7 @@ def make_parsers():
         'bootstrap',
         aliases=SUBPARSER_ALIASES['config_bootstrap'],
         help='Extract the config files used to create a borgmatic repository',
-        description='Extract just the config files that were used to create a borgmatic repository during the "create" operation',
+        description='Extract config files that were used to create a borgmatic repository during the "create" operation',
         add_help=False,
     )
     config_bootstrap_group = config_bootstrap_parser.add_argument_group(
@@ -603,7 +605,7 @@ def make_parsers():
     )
     config_bootstrap_group.add_argument(
         '--borgmatic-source-directory',
-        help='Path that stores the config files used to create an archive, and additional source files used for temporary internal state like borgmatic database dumps. Defaults to ~/.borgmatic',
+        help='Path that stores the config files used to create an archive and additional source files used for temporary internal state like borgmatic database dumps. Defaults to ~/.borgmatic',
     )
     config_bootstrap_group.add_argument(
         '--archive',
@@ -980,15 +982,26 @@ def make_parsers():
         None, None, metavar=None, dest='merged', parser_class=None
     )
 
-    for name, subparser in subparsers.choices.items():
-        merged_subparsers._name_parser_map[name] = subparser
-
-    for name, subparser in config_subparsers.choices.items():
-        merged_subparsers._name_parser_map[name] = subparser
+    merged_subparsers = merge_subparsers(subparsers, config_subparsers)
 
     return top_level_parser, merged_subparsers
 
 
+def merge_subparsers(*subparsers):
+    '''
+    Merge multiple subparsers into a single subparser.
+    '''
+    merged_subparsers = argparse._SubParsersAction(
+        None, None, metavar=None, dest='merged', parser_class=None
+    )
+
+    for subparser in subparsers:
+        for name, subparser in subparser.choices.items():
+            merged_subparsers._name_parser_map[name] = subparser
+
+    return merged_subparsers
+
+
 def parse_arguments(*unparsed_arguments):
     '''
     Given command-line arguments with which this script was invoked, parse the arguments and return
diff --git a/borgmatic/commands/borgmatic.py b/borgmatic/commands/borgmatic.py
index 766073c..4ad8136 100644
--- a/borgmatic/commands/borgmatic.py
+++ b/borgmatic/commands/borgmatic.py
@@ -645,6 +645,7 @@ def collect_configuration_run_summary_logs(configs, arguments):
             KeyError,
         ) as error:
             yield from log_error_records('Error running bootstrap', error)
+
         return
 
     if not configs:
diff --git a/tests/integration/commands/test_arguments.py b/tests/integration/commands/test_arguments.py
index 8c96ac9..60fe884 100644
--- a/tests/integration/commands/test_arguments.py
+++ b/tests/integration/commands/test_arguments.py
@@ -538,24 +538,17 @@ def test_merging_two_subparser_collections_merges_their_choices():
     top_level_parser = argparse.ArgumentParser()
 
     subparsers = top_level_parser.add_subparsers()
-
     subparser1 = subparsers.add_parser('subparser1')
 
     subparser2 = subparsers.add_parser('subparser2')
-
     subsubparsers = subparser2.add_subparsers()
-
     subsubparser1 = subsubparsers.add_parser('subsubparser1')
 
     merged_subparsers = argparse._SubParsersAction(
         None, None, metavar=None, dest='merged', parser_class=None
     )
 
-    for name, subparser in subparsers.choices.items():
-        merged_subparsers._name_parser_map[name] = subparser
-
-    for name, subparser in subsubparsers.choices.items():
-        merged_subparsers._name_parser_map[name] = subparser
+    merged_subparsers = module.merge_subparsers(subparsers, subsubparsers)
 
     assert merged_subparsers.choices == {
         'subparser1': subparser1,