diff -r c30a3a6f3b39 Modules/_threadmodule.c
--- a/Modules/_threadmodule.c	Thu Jan 30 16:05:28 2014 -0800
+++ b/Modules/_threadmodule.c	Fri Jan 31 13:46:21 2014 -0600
@@ -147,7 +147,7 @@
 }
 
 PyDoc_STRVAR(acquire_doc,
-"acquire([wait]) -> bool\n\
+"acquire(blocking=True, timeout=-1) -> bool\n\
 (acquire_lock() is an obsolete synonym)\n\
 \n\
 Lock the lock.  Without argument, this blocks if the lock is already\n\
@@ -213,6 +213,7 @@
 };
 
 static PyTypeObject Locktype = {
+    /* To create a lock, call the PyThread_allocate_lock() function */
     PyVarObject_HEAD_INIT(&PyType_Type, 0)
     "_thread.lock",                     /*tp_name*/
     sizeof(lockobject),                 /*tp_size*/
@@ -1135,7 +1136,8 @@
 "allocate_lock() -> lock object\n\
 (allocate() is an obsolete synonym)\n\
 \n\
-Create a new lock object.  See help(LockType) for information about locks.");
+Create a new lock object. See help(type(Lock())) for information about\n\
+locks.");
 
 static PyObject *
 thread_get_ident(PyObject *self)
@@ -1327,7 +1329,7 @@
 
 PyDoc_STRVAR(lock_doc,
 "A lock object is a synchronization primitive.  To create a lock,\n\
-call the PyThread_allocate_lock() function.  Methods are:\n\
+call the threading.Lock() function.  Methods are:\n\
 \n\
 acquire() -- lock the lock, possibly blocking until it can be obtained\n\
 release() -- unlock of the lock\n\