diff --git a/doc/changelog.asciidoc b/doc/changelog.asciidoc
index 48d0d9b9f..d42990d34 100644
--- a/doc/changelog.asciidoc
+++ b/doc/changelog.asciidoc
@@ -25,6 +25,8 @@ Added
   opened from a page should stack on each other or not.
 - New `completion.open_categories` setting which allows to configure which
   categories are shown in the `:open` completion, and how they are ordered.
+- New `:config-add-dict` and `:config-add-list` commands to easily add a new
+  element to a dict/list setting.
 
 Changed
 ~~~~~~~
diff --git a/doc/help/commands.asciidoc b/doc/help/commands.asciidoc
index eab0d6bba..21e9e05ee 100644
--- a/doc/help/commands.asciidoc
+++ b/doc/help/commands.asciidoc
@@ -36,6 +36,8 @@ It is possible to run or bind multiple commands by separating them with `;;`.
 |<<clear-messages,clear-messages>>|Clear all message notifications.
 |<<click-element,click-element>>|Click the element matching the given filter.
 |<<close,close>>|Close the current window.
+|<<config-add-dict,config-add-dict>>|Add a key/value pair to a dictionary option.
+|<<config-add-list,config-add-list>>|Append a value to a config option that is a list.
 |<<config-clear,config-clear>>|Set all settings back to their default.
 |<<config-cycle,config-cycle>>|Cycle an option between multiple values.
 |<<config-edit,config-edit>>|Open the config.py file in the editor.
@@ -266,6 +268,35 @@ The given filter needs to result in exactly one element, otherwise, an error is
 === close
 Close the current window.
 
+[[config-add-dict]]
+=== config-add-dict
+Syntax: +:config-add-dict [*--temp*] [*--replace*] 'option' 'key' 'value'+
+
+Add a key/value pair to a dictionary option.
+
+==== positional arguments
+* +'option'+: The name of the option.
+* +'key'+: The key to use.
+* +'value'+: The value to place in the dictionary.
+
+==== optional arguments
+* +*-t*+, +*--temp*+: Set value temporarily until qutebrowser is closed.
+* +*-r*+, +*--replace*+: Replace existing values. By default, existing values are not overwritten.
+
+
+[[config-add-list]]
+=== config-add-list
+Syntax: +:config-add-list [*--temp*] 'option' 'value'+
+
+Append a value to a config option that is a list.
+
+==== positional arguments
+* +'option'+: The name of the option.
+* +'value'+: The value to append to the end of the list.
+
+==== optional arguments
+* +*-t*+, +*--temp*+: Set value temporarily until qutebrowser is closed.
+
 [[config-clear]]
 === config-clear
 Syntax: +:config-clear [*--save*]+
@@ -326,7 +357,7 @@ This sets an option back to its default and removes it from autoconfig.yml.
 * +'option'+: The name of the option.
 
 ==== optional arguments
-* +*-t*+, +*--temp*+: Don't touch autoconfig.yml.
+* +*-t*+, +*--temp*+: Set value temporarily until qutebrowser is closed.
 
 [[config-write-py]]
 === config-write-py
diff --git a/qutebrowser/completion/models/configmodel.py b/qutebrowser/completion/models/configmodel.py
index 3a225fedf..c70fef7f7 100644
--- a/qutebrowser/completion/models/configmodel.py
+++ b/qutebrowser/completion/models/configmodel.py
@@ -55,13 +55,13 @@ def dict_option(*, info):
 
 
 def _option(info, title, predicate):
-    """A CompletionModel that is generified for several option sets.
+    """A CompletionModel that is generated for several option sets.
 
     Args:
         info: The config info that can be passed through.
         title: The title of the options.
         predicate: The function for filtering out the options. Takes a single
-            argument.
+                   argument.
     """
     model = completionmodel.CompletionModel(column_widths=(20, 70, 10))
     options = ((opt.name, opt.description, info.config.get_str(opt.name))
diff --git a/qutebrowser/config/configcommands.py b/qutebrowser/config/configcommands.py
index 228cee59d..6c5fa847e 100644
--- a/qutebrowser/config/configcommands.py
+++ b/qutebrowser/config/configcommands.py
@@ -274,17 +274,15 @@ class ConfigCommands:
     @cmdutils.register(instance='config-commands')
     @cmdutils.argument('option', completion=configmodel.dict_option)
     def config_add_dict(self, option, key, value, temp=False, replace=False):
-        """Add a value at the key within the option specified.
-
-        This adds an element to a dictionary. --replace is needed to override
-        existing values.
+        """Add a key/value pair to a dictionary option.
 
         Args:
             option: The name of the option.
             key: The key to use.
             value: The value to place in the dictionary.
             temp: Set value temporarily until qutebrowser is closed.
-            replace: Whether or not we should replace, default is not.
+            replace: Replace existing values. By default, existing values are
+                     not overwritten.
         """
         opt = self._config.get_opt(option)
         if not isinstance(opt.typ, configtypes.Dict):