diff --git a/django/contrib/admin/utils.py b/django/contrib/admin/utils.py
index 9bd4aa7857..c55336ad00 100644
--- a/django/contrib/admin/utils.py
+++ b/django/contrib/admin/utils.py
@@ -64,8 +64,8 @@ def quote(s):
     """
     Ensure that primary key values do not confuse the admin URLs by escaping
     any '/', '_' and ':' and similarly problematic characters.
-    Similar to urllib.quote, except that the quoting is slightly different so
-    that it doesn't get automatically unquoted by the Web browser.
+    Similar to urllib.parse.quote(), except that the quoting is slightly
+    different so that it doesn't get automatically unquoted by the Web browser.
     """
     if not isinstance(s, str):
         return s
@@ -78,9 +78,7 @@ def quote(s):
 
 
 def unquote(s):
-    """
-    Undo the effects of quote(). Based heavily on urllib.unquote().
-    """
+    """Undo the effects of quote(). Based heavily on urllib.parse.unquote()."""
     mychr = chr
     myatoi = int
     list = s.split('_')
diff --git a/django/utils/encoding.py b/django/utils/encoding.py
index 1ac14a66d7..4ff530c406 100644
--- a/django/utils/encoding.py
+++ b/django/utils/encoding.py
@@ -139,8 +139,8 @@ def iri_to_uri(iri):
     #     sub-delims  = "!" / "$" / "&" / "'" / "(" / ")"
     #                   / "*" / "+" / "," / ";" / "="
     #     unreserved  = ALPHA / DIGIT / "-" / "." / "_" / "~"
-    # Of the unreserved characters, urllib.quote already considers all but
-    # the ~ safe.
+    # Of the unreserved characters, urllib.parse.quote() already considers all
+    # but the ~ safe.
     # The % character is also added to the list of safe characters here, as the
     # end of section 3.1 of RFC 3987 specifically mentions that % must not be
     # converted.