diff --git a/Lib/pickle.py b/Lib/pickle.py
index 71aa57d..515cb8a 100644
--- a/Lib/pickle.py
+++ b/Lib/pickle.py
@@ -409,9 +409,9 @@
         """This takes a binary file for writing a pickle data stream.
 
         The optional *protocol* argument tells the pickler to use the
-        given protocol; supported protocols are 0, 1, 2, 3 and 4.  The
-        default protocol is 4. It was introduced in Python 3.4, it is
-        incompatible with previous versions.
+        given protocol; supported protocols are 0, 1, 2, 3, 4 and 5.
+        The default protocol is 4. It was introduced in Python 3.4, and
+        is incompatible with previous versions.
 
         Specifying a negative protocol version selects the highest
         protocol version supported.  The higher the protocol used, the
diff --git a/Modules/_pickle.c b/Modules/_pickle.c
index 8ee7d8e..8150bf3 100644
--- a/Modules/_pickle.c
+++ b/Modules/_pickle.c
@@ -4647,8 +4647,9 @@
 This takes a binary file for writing a pickle data stream.
 
 The optional *protocol* argument tells the pickler to use the given
-protocol; supported protocols are 0, 1, 2, 3 and 4.  The default
-protocol is 3; a backward-incompatible protocol designed for Python 3.
+protocol; supported protocols are 0, 1, 2, 3, 4 and 5.  The default
+protocol is 4. It was introduced in Python 3.4, and is incompatible
+with previous versions.
 
 Specifying a negative protocol version selects the highest protocol
 version supported.  The higher the protocol used, the more recent the
@@ -4680,7 +4681,7 @@
 _pickle_Pickler___init___impl(PicklerObject *self, PyObject *file,
                               PyObject *protocol, int fix_imports,
                               PyObject *buffer_callback)
-/*[clinic end generated code: output=0abedc50590d259b input=bb886e00443a7811]*/
+/*[clinic end generated code: output=0abedc50590d259b input=a7c969699bf5dad3]*/
 {
     _Py_IDENTIFIER(persistent_id);
     _Py_IDENTIFIER(dispatch_table);
@@ -7633,8 +7634,8 @@
 be more efficient.
 
 The optional *protocol* argument tells the pickler to use the given
-protocol; supported protocols are 0, 1, 2, 3 and 4.  The default
-protocol is 4. It was introduced in Python 3.4, it is incompatible
+protocol; supported protocols are 0, 1, 2, 3, 4 and 5.  The default
+protocol is 4. It was introduced in Python 3.4, and is incompatible
 with previous versions.
 
 Specifying a negative protocol version selects the highest protocol
@@ -7660,7 +7661,7 @@
 _pickle_dump_impl(PyObject *module, PyObject *obj, PyObject *file,
                   PyObject *protocol, int fix_imports,
                   PyObject *buffer_callback)
-/*[clinic end generated code: output=706186dba996490c input=cfdcaf573ed6e46c]*/
+/*[clinic end generated code: output=706186dba996490c input=5ed6653da99cd97c]*/
 {
     PicklerObject *pickler = _Pickler_New();
 
@@ -7703,8 +7704,8 @@
 Return the pickled representation of the object as a bytes object.
 
 The optional *protocol* argument tells the pickler to use the given
-protocol; supported protocols are 0, 1, 2, 3 and 4.  The default
-protocol is 4. It was introduced in Python 3.4, it is incompatible
+protocol; supported protocols are 0, 1, 2, 3, 4 and 5.  The default
+protocol is 4. It was introduced in Python 3.4, and is incompatible
 with previous versions.
 
 Specifying a negative protocol version selects the highest protocol
@@ -7724,7 +7725,7 @@
 static PyObject *
 _pickle_dumps_impl(PyObject *module, PyObject *obj, PyObject *protocol,
                    int fix_imports, PyObject *buffer_callback)
-/*[clinic end generated code: output=fbab0093a5580fdf input=9f334d535ff7194f]*/
+/*[clinic end generated code: output=fbab0093a5580fdf input=e543272436c6f987]*/
 {
     PyObject *result;
     PicklerObject *pickler = _Pickler_New();
diff --git a/Modules/clinic/_pickle.c.h b/Modules/clinic/_pickle.c.h
index 9da3f11..0457a43 100644
--- a/Modules/clinic/_pickle.c.h
+++ b/Modules/clinic/_pickle.c.h
@@ -69,8 +69,9 @@
 "This takes a binary file for writing a pickle data stream.\n"
 "\n"
 "The optional *protocol* argument tells the pickler to use the given\n"
-"protocol; supported protocols are 0, 1, 2, 3 and 4.  The default\n"
-"protocol is 3; a backward-incompatible protocol designed for Python 3.\n"
+"protocol; supported protocols are 0, 1, 2, 3, 4 and 5.  The default\n"
+"protocol is 4. It was introduced in Python 3.4, and is incompatible\n"
+"with previous versions.\n"
 "\n"
 "Specifying a negative protocol version selects the highest protocol\n"
 "version supported.  The higher the protocol used, the more recent the\n"
@@ -463,8 +464,8 @@
 "be more efficient.\n"
 "\n"
 "The optional *protocol* argument tells the pickler to use the given\n"
-"protocol; supported protocols are 0, 1, 2, 3 and 4.  The default\n"
-"protocol is 4. It was introduced in Python 3.4, it is incompatible\n"
+"protocol; supported protocols are 0, 1, 2, 3, 4 and 5.  The default\n"
+"protocol is 4. It was introduced in Python 3.4, and is incompatible\n"
 "with previous versions.\n"
 "\n"
 "Specifying a negative protocol version selects the highest protocol\n"
@@ -550,8 +551,8 @@
 "Return the pickled representation of the object as a bytes object.\n"
 "\n"
 "The optional *protocol* argument tells the pickler to use the given\n"
-"protocol; supported protocols are 0, 1, 2, 3 and 4.  The default\n"
-"protocol is 4. It was introduced in Python 3.4, it is incompatible\n"
+"protocol; supported protocols are 0, 1, 2, 3, 4 and 5.  The default\n"
+"protocol is 4. It was introduced in Python 3.4, and is incompatible\n"
 "with previous versions.\n"
 "\n"
 "Specifying a negative protocol version selects the highest protocol\n"
@@ -835,4 +836,4 @@
 exit:
     return return_value;
 }
-/*[clinic end generated code: output=de075ec48d4ee0e1 input=a9049054013a1b77]*/
+/*[clinic end generated code: output=e2506823be1960c5 input=a9049054013a1b77]*/