diff --git a/Objects/dictobject.c b/Objects/dictobject.c
index 517c20c..be25176 100644
--- a/Objects/dictobject.c
+++ b/Objects/dictobject.c
@@ -2327,9 +2327,9 @@
 }
 
 PyDoc_STRVAR(dictionary_doc,
-"dict() -> new empty dictionary.\n"
+"dict() -> new empty dictionary\n"
 "dict(mapping) -> new dictionary initialized from a mapping object's\n"
-"    (key, value) pairs.\n"
+"    (key, value) pairs\n"
 "dict(iterable) -> new dictionary initialized as if via:\n"
 "    d = {}\n"
 "    for k, v in iterable:\n"
diff --git a/Objects/listobject.c b/Objects/listobject.c
index d710374..8610085 100644
--- a/Objects/listobject.c
+++ b/Objects/listobject.c
@@ -2536,7 +2536,7 @@
 };
 
 PyDoc_STRVAR(list_doc,
-"list() -> new list\n"
+"list() -> new empty list\n"
 "list(iterable) -> new list initialized from iterable's items");
 
 
diff --git a/Objects/tupleobject.c b/Objects/tupleobject.c
index 384b830..7376f1a 100644
--- a/Objects/tupleobject.c
+++ b/Objects/tupleobject.c
@@ -681,10 +681,10 @@
 }
 
 PyDoc_STRVAR(tuple_doc,
-"tuple() -> an empty tuple\n"
-"tuple(sequence) -> tuple initialized from sequence's items\n"
-"\n"
-"If the argument is a tuple, the return value is the same object.");
+"tuple() -> empty tuple\n\
+tuple(iterable) -> tuple initialized from iterable's items\n\
+\n\
+If the argument is a tuple, the return value is the same object.");
 
 static PySequenceMethods tuple_as_sequence = {
 	(lenfunc)tuplelength,			/* sq_length */