diff --git a/src/auto_archiver/core/config.py b/src/auto_archiver/core/config.py
index 2d462e4..8f36c54 100644
--- a/src/auto_archiver/core/config.py
+++ b/src/auto_archiver/core/config.py
@@ -36,6 +36,7 @@ steps:""" + "".join([f"\n   {module}s: []" for module in BaseModule.MODULE_TYPES
 # a dictionary of authentication information that can be used by extractors to login to website. 
 # you can use a comma separated list for multiple domains on the same line (common usecase: x.com,twitter.com)
 # Common login 'types' are username/password, cookie, api key/token.
+# There are two special keys for using cookies, they are: cookies_file and cookies_from_browser. 
 # Some Examples:
 # facebook.com:
 #   username: "my_username"
@@ -163,6 +164,6 @@ def read_yaml(yaml_filename: str) -> CommentedMap:
 def store_yaml(config: CommentedMap, yaml_filename: str) -> None:
     config_to_save = deepcopy(config)
 
-    config.pop('urls', None)
+    config_to_save.pop('urls', None)
     with open(yaml_filename, "w", encoding="utf-8") as outf:
         yaml.dump(config_to_save, outf)
\ No newline at end of file
diff --git a/src/auto_archiver/core/orchestrator.py b/src/auto_archiver/core/orchestrator.py
index 641f099..20212ce 100644
--- a/src/auto_archiver/core/orchestrator.py
+++ b/src/auto_archiver/core/orchestrator.py
@@ -128,6 +128,10 @@ class ArchivingOrchestrator:
         elif basic_config.mode == 'simple':
             simple_modules = [module for module in available_modules(with_manifest=True) if not module.requires_setup]
             self.add_module_args(simple_modules, parser)
+
+            # for simple mode, we use the cli_feeder and any modules that don't require setup
+            yaml_config['steps']['feeders'] = ['cli_feeder']
+            
             # add them to the config
             for module in simple_modules:
                 for module_type in module.type:
@@ -237,18 +241,18 @@ class ArchivingOrchestrator:
         if log_file := logging_config['file']:
             logger.add(log_file) if not logging_config['rotation'] else logger.add(log_file, rotation=logging_config['rotation'])
 
-        
-    def install_modules(self):
+    def install_modules(self, modules_by_type):
         """
-        Swaps out the previous 'strings' in the config with the actual modules and loads them
+        Traverses all modules in 'steps' and loads them into the orchestrator, storing them in the 
+        orchestrator's attributes (self.feeders, self.extractors etc.). If no modules of a certain type
+        are loaded, the program will exit with an error message.
         """
         
         invalid_modules = []
         for module_type in BaseModule.MODULE_TYPES:
 
             step_items = []
-            modules_to_load = self.config['steps'][f"{module_type}s"]
-
+            modules_to_load = modules_by_type[f"{module_type}s"]
             assert modules_to_load, f"No {module_type}s were configured. Make sure to set at least one {module_type} in your configuration file or on the command line (using --{module_type}s)"
 
             def check_steps_ok():
@@ -264,9 +268,11 @@ class ArchivingOrchestrator:
 
             for module in modules_to_load:
                 if module == 'cli_feeder':
+                    # pseudo module, don't load it
+                    breakpoint()
                     urls = self.config['urls']
                     if not urls:
-                        logger.error("No URLs provided. Please provide at least one URL to archive, or set up a feeder. Use --help for more information.")
+                        logger.error("No URLs provided. Please provide at least one URL via the command line, or set up an alternative feeder. Use --help for more information.")
                         exit()
                     # cli_feeder is a pseudo module, it just takes the command line args
                     def feed(self) -> Generator[Metadata]:
@@ -330,7 +336,7 @@ class ArchivingOrchestrator:
         self.setup_complete_parser(basic_config, yaml_config, unused_args)
 
         logger.info(f"======== Welcome to the AUTO ARCHIVER ({__version__}) ==========")
-        self.install_modules()
+        self.install_modules(self.config['steps'])
 
         # log out the modules that were loaded
         for module_type in BaseModule.MODULE_TYPES: