diff --git a/Doc/glossary.rst b/Doc/glossary.rst
--- a/Doc/glossary.rst
+++ b/Doc/glossary.rst
@@ -41,7 +41,7 @@
 
    argument
       A value passed to a :term:`function` (or :term:`method`) when calling the
-      function.  There are two types of arguments:
+      function.  There are two kinds of argument:
 
       * :dfn:`keyword argument`: an argument preceded by an identifier (e.g.
         ``name=``) in a function call or passed as a value in a dictionary
@@ -595,7 +595,7 @@
    parameter
       A named entity in a :term:`function` (or method) definition that
       specifies an :term:`argument` (or in some cases, arguments) that the
-      function can accept.  There are five types of parameters:
+      function can accept.  There are five kinds of parameter:
 
       * :dfn:`positional-or-keyword`: specifies an argument that can be passed
         either :term:`positionally <argument>` or as a :term:`keyword argument
diff --git a/Doc/library/stdtypes.rst b/Doc/library/stdtypes.rst
--- a/Doc/library/stdtypes.rst
+++ b/Doc/library/stdtypes.rst
@@ -1149,6 +1149,8 @@
       fail, the entire sort operation will fail (and the list will likely be left
       in a partially modified state).
 
+      :meth:`sort` accepts two arguments that can only be passed by keyword:
+
       *key* specifies a function of one argument that is used to extract a
       comparison key from each list element (for example, ``key=str.lower``).
       The key corresponding to each item in the list is calculated once and